Useful
Pronunciation : Use"ful
Part of Speech : a.
Definition : Defn: Full of use, advantage, or profit; producing, or having power to produce, good; serviceable for any end or object; helpful toward advancing any purpose; beneficial; profitable; advantageous; as, vessels and instruments useful in a family; books useful for improvement; useful knowledge; useful arts. To what can I useful! Milton.
Source : Webster's Unabridged Dictionary, 1913