Sagacious

Earned by giving 500 monk pebbles to Master ____ in the Whistling Fist Clan's Tower on the Isle of Mara. You earn the pebbles by completing the quest called The Trials of Qin Li. By completing this repeatable quest you earn 5 pebbles. There is a 2 day lockout on the instanced trial zone. Also pebbles can randomly drop from mobs inside the instance but it is rare. You can also earn the title Goldun Sun for the same amount.

Side Note: Sagacious means wise or possessing good judgement of people of situations.