I'll start off by listing strengths. I will list several things that could be used for each trait, I'm not suggesting every single one bundles into the same trait. Unless you want to.
1. Beautiful or Graceful, it could do several things, take your pick. Increase your public order rating, improve diplomatic relations, more children, increased health in cities due to inspiration or you could say inspired health in cities. Inspire troops and morale
2. Ambitious, could do several things, Increased initiative in battles and increased movement value on the cloth map for all units. Increased chance to first strike in tactical battles. Increase tax revenue. Decrease build times. Structures take less resources to build.
3. Bravery, Courage, or Fearless, reduction or elimination of fear effects or loss of morale in battles in the context of being outnumbered, ambushed or outclassed. Increased physical, magical damage as well as bonus to armor and resistance to all units. Longer siege timer for your cities. Demoralize enemy troops with your lack of fear or your courage.
4. Cautious or Vigilant, increased chance to cancel first strike attacks against you in tactical battles. Increased chance of spotting enemy spies or scouts. Higher chance to detect enemy from farther away then normal. Line of sight increased for all units and buildings.
5. Clean, cleanliness, or Purity, your hygenic habits inspires your people and results in a reduced chance to have disease or plague in your lands. Increased population growth due to higher sanitation.
6. Creative, increased speed to all research and chance to discover a random bonus tech that is not on the tree.
7. Defiant, increase all resistances of all units and buildings in the context of a losing battle or situation. Increased resistance to all units regardless of the situation. Increased hitpoints for all units and buildings. Increased morale for all units.
8. Dependable, increased city loyalty. Increased reputation with allies. Increased reputation gains for doing assignments or quests.
9. Diciplined, your great dicipline inspires your people and results in, a increased improvement to city management. Reduced upkeep cost for military due to better dicipline and less waste, more efficiency. Less cost for magic spells because of reduced waste.
10. Excellence, you strive to do the best in every thing you do, increasing every aspect of your character and increasing the speed of progress in anything you are currently training. Increases your experience point gain. Increases your critical strike chance.
11. Focused, spells take less time to cast, do more damage, less mana needed to cast, research takes less time, buildings build faster, armies are built faster. Autoresolve chances of success increase because you are a better tactician by having more focus. Take your pick.
12. Friendly, increased city happiness, increased reputation with other factions while dealing with them, increased chance to raise good children with positive traits, less anger or penalties when your borders are close to the enemy or different faction because you are friendly. Increased chance to get a peace treaty during war.
13. Frugal, everything takes less time, takes less resources, and makes your entire kingdom or empire more efficient.
14. Knowledgeable, receive bonus tech free when you start the game and again after several turns. Increased research speed, increased line of sight on the map, increased knowledge of enemy units and their attributes.
15. Loving, increased population growth, increased city happiness, increased light power, better foreign faction relations, increased morale to troops.
16. Majestic, increased loyalty and respect from your faction. Increased bonus to diplomatic relation actions, and influential in trying to decide on a deal.
17. Patient, increased resistance, armor and hitpoints. Able to withstand punishment longer then most people.
18. Tact, improved diplomatic relations, improved loyalty and respect from own faction.
19. Righteous, improve effects of performing good acts, improved rewards and consequences. Reduced chance of corruption, spies, infiltration in your faction.
20. Swift, increased chances of retreating from the enemy safely. Increased movement points. Increased initiative in tactical battles. Increased first strike capability.
21. Charming, you have a incredibly seductive charm with other people and can usually persuade people to see your way as the right one. Improved diplomatic dealings, improved faction loyalty, happiness and respect. Improved chances that you will find your soul mate, get married and have children.
Weaknesses
1. Wrathful, reduced loyalty and increased fear in your subjects. Reduced happiness in your faction. Reduced diplomatic relations and reduced effects of actions while engaging in diplomacy. Natural backlash of wrath when turned down in diplomacy causes further reduced relations.
2. Arrogant, increased chance of your units getting ambushed, increased chance of the enemy getting the first strike. Increased chances of enemy landing a critical strike against you. Reduced diplomatic relations. Reduced respect and loyalty from your own faction. Increases damage done to your units due to lack of proper preparation, out of your own arrogance.
3. Doubtful or indecisive, lowered morale, respect and loyalty in your faction and a decrease in initiative in tactical battles because you have a difficult time making decision.
4. Envious or Jealous, you are envious of others that have more then you and so you receive a reduced diplomatic relation with other factions that are stronger then you.
5. Greedy, you sacrifice happiness in your faction to increase more money from taxation on all levels. Bah humbug!
6. Unjust, crime goes way up in your faction due to you turning a blind eye to crime and doing it yourself as well.
7. Impatient, research takes longer, building time takes longer, armies take longer to build because you make many mistakes by being so impatient. Tactical battles don't always go well for you, you get ambushed alot, afflicted by first strike more often, hit with critical strike more.
8. Recklessness, in tactical battles you get hit with critical strikes more often, get ambushed more, hit with first strike more often, your line of vision is decreased. Upkeep for all units and buildings cost more due to stupid mistakes through being reckless.
9. Sloth, everything takes longer because of your laziness. Reduced movement speed on the map, reduced movement speed in tactical battles. Longer casting time. Longer research time. And so on.
10. Untrustworthy, you have broken your word many times, backstabed and cheated to get your way. Other factions and your own people hold you in great distrust. Reduced loyalty and happiness. Reduced diplomatic relations. Any bad act against another faction or your own people have their effect intensified while having this trait.
11. Vanity, you can't help by demand attention all the time and show off to others. You sow resentment in your people with your vanity and reduce their happiness and loyalty. Also reduces diplomatic relations.
12. Sickly, you are afflicted with a incurable disease/illness/condition/curse and suffer penalties to hitpoints, armor and resistances.
13. Cursed, your luck is greatly reduced, you have higher chances of getting hit with a critical strike, being ambushed, bearing bad offspring, getting attacked with a first strike, get invaded by demons, ghosts and the undead. Have your spells fizzle once in a while. You have higher chances of your troops betraying you.
14. Morbid, having a very unhealthy mental state, you have a reduced magic effectiveness and/or take interest in evil magic and perversity. You have terrible family relations and/or impart perversity into their character and create many bad traits in them. Reducing happiness and healthiness in your faction.
15. Haunted, you are being trailed by a demon and/or a ghost that torments you day and night, reducing your effectiveness in all that you do.
16. Hated, gives you many points to spend on strengths, your people loathe you, your family loathes you and other factions loathe you. You are alone in this world.
17. Maimed, you have been gravely wounded in a great battle of long past and have your attack power greatly reduced as well as magical attack power.
18. Butterfingers, your accuracy is greatly diminised whether it be physical or magical.
19. Gluttonous, you devour your food supply so greatly and wine and dine with your fellow aristocrats, that you impoverish your own people. Reduced population growth and happiness, loyalty and respect. Reduced personal health, hitpoints. Reduced diplomatic relations.
20. Cultist, you are a fanatic of a evil religion, and sacrifice your own people over the altar. Reduced population growth, happiness, loyalty and respect. Increased chances for rebellion. Greatly reduced diplomatic relations with factions without this trait.
21. Half-Blind, you were wounded in a battle and now you have great difficulty seeing. Your accuracy is greatly diminished on both magic and physical attacks.
I know it sounds like im repeating some of the stuff over and over again, but I'm not expecting all of these to be put in, so i'm mixing it up with a different word to try different variations and give you new ideas. Not all of the suggestions are expected to be put into ONE trait, they are just alternative suggestions within the trait.
There's some ideas, I'll keep editing this, so check back if you want.