Aggressive : Free Combat I promotion for melee and gunpowder units.
Double production speed of Barracks and Drydock.
Creative : +2 culture per city.
Double production speed of Library, Theater, and Colosseum.
Expansive : +2 health per city.
Double production speed of Granary and Harbor.
25% faster production of Workers.
Financial : +1 commerce on plots with at least 2 commerce.
Industrious : Wonder production increased 50 percent.
Double production speed of Forge.
Organized : Civic upkeep reduced 50 percent.
Double production speed of Lighthouse, Factory, and Courthouse.
Philosophical : Great People birth rate increased 100 percent.
Double production speed of University.
Spiritual : No anarchy.
Double production speed of Temples and the Cristo Redentor wonder.
Imperialistic : Great General emergence increased 100 percent.
50% faster production of Settlers.
Protective : Free Drill I and City Garrison I promotions for archery and gunpowder units.
Double production speed of Walls and Castle.
Charismatic : +1 happiness per city.
-25% XP needed for unit promotions.
+1 happiness from Monument and Broadcast Tower.
Let's start scoring these traits. We choose 4 traits, assigning 4 points to the top choice, 3 to the second, and on. Then we can look at which traits have the most points to narrow things down a bit. Of course, if you have a suggestion of an alternate way to discuss this, please speak up!
4 Expansive
3 Spiritual
2 Imperialistic
1 Financial