Three examples of how virtue may be used in everyday life?

Would: My friend was very virtue today, be a good example?

Are there other examples I could put?

Four words that virtue can replace in everyday life?

Would Happy, Excited work?

what are two other words that could work?

Your sentence is not grammatically correct. Virtue is a noun, but you've used it as an adjective. How about --

My friend showed her virtue today by refusing to cheat on the test.

I don't think you understand the meaning of virtue.

Check this dictionary definition.

http://dictionary.reference.com/browse/virtue