gainful

Adjective

Synonyms: paid paying

WordNet 3.0

Adjective (1)

yielding a fair profitSynonyms: paid paying

Webster's Dictionary (GCIDE)

Gainful \Gain"ful\, a. Profitable; advantageous; lucrative. "A gainful speculation." --Macaulay. -- Gain"ful*ly, adv. -- Gain"ful*ness, n. [1913 Webster]