(a.) Yielding or bringing profit or gain; gainful; lucrative; useful; helpful; advantageous; beneficial; as, a profitable trade; profitable business; a profitable study or profession.

advantageous advisable aidful appropriate auspicious banausic becoming befitting beneficial benevolent bon bonny braw breadwinning bueno capital cogent commendable compensating compensative compensatory conducive congruous constructive contributory convenient decent desirable effective elegant estimable excellent expedient fair famous fat favorable feasible felicitous fine fit fitten fitting fructuous fruitful furthersome gainful good good for goodly grand happy healthy helpful kind laudable likely lucrative meet moneymaking nice noble of value opportune paying pleasant politic positive productive proper recommendable regal remedial remunerative reparative repaying retributive retributory rewardful rewarding right royal salutary satisfying seasonable seemly serviceable skillful sortable sound splendid suitable therapeutic timely to be desired useful utilitarian valid valuable very good virtuous well-paying well-spent well-timed wise worthwhile yielding a return