Answer:
Yahweh (Hebrew name of God)
Yale (a college that many find inspiring)
Yin Yang (the two Taoist complementary, opposite forces that must remain in balance)
Yeah! (an expression of triumph) - see also "Yee-haw!" "Yippee!" and "Yea!"
Yore (Old English for "former times" or "long ago")
You (though it sounds simple, many politicians emphasize this word. i.e. "YOU can do it!)
Youth (Greek art was almost entirely inspired by youth)
Yum (expression of appreciation for a taste or smell)