Webster’s Revised Unabridged Dictionary · 1913
Profitable
Prof′it·a·ble (·ȧ·b'l), a. [F. profitable.] Yielding or bringing profit or gain; gainful; lucrative; useful; helpful; advantageous; beneficial; as, a profitable trade; profitable business; a profitable study or profession.
What was so profitable to the empire became fatal to the emperor. Arbuthnot.
— Prof′it·a·ble·ness, n. — Prof′it·a·bly, adv.