rational — agreeable to reason; reasonable; sensible: a rational plan for economic development.
progressive — favoring or advocating progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, especially in political matters: a progressive mayor.
open-minded — having or showing a mind receptive to new ideas or arguments.
tolerant — inclined or disposed to tolerate; showing tolerance; forbearing: tolerant of errors.
educated — having undergone education: educated people.
liberal — favorable to progress or reform, as in political or religious affairs.
informed — having or prepared with information or knowledge; apprised: an informed audience that asked intelligent questions.
civilised — to bring out of a savage, uneducated, or rude state; make civil; elevate in social and private life; enlighten; refine: Rome civilized the barbarians.
civilized — If you describe a society as civilized, you mean that it is advanced and has sensible laws and customs.
knowledgeable — possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
cultivated — If you describe someone as cultivated, you mean they are well educated and have good manners.
learned — having much knowledge; scholarly; erudite: learned professors.
refined — having or showing well-bred feeling, taste, etc.: refined people.
savvy — experienced, knowledgable, and well-informed; shrewd (often used in combination): consumers who are savvy about prices; a tech-savvy entrepreneur.
sharp — having a thin cutting edge or a fine point; well-adapted for cutting or piercing: a sharp knife.
aware — If you are aware of something, you know about it.
broad-minded — If you describe someone as broad-minded, you approve of them because they are willing to accept types of behaviour which other people consider immoral.
