The Oxford Thesaurus An A-Z Dictionary of Synonyms - adequateadj.

1) sufficient, enough, ample; satisfactory, fitting, equal, suitable: Is there language adequate to describe my feelings? 2 passable, fair, fair to middling, middling, average, tolerable, (barely) acceptable, (barely) satisfactory, all right, competent, not (at all) bad, so so , Colloq OK or okay, up to snuff, not that or too bad, no great shakes: The music was good, the band only adequate. 3) equal, suitable, suited, fitted, up, proper, qualified, competent, good enough: Johnson was unsure that he was adequate to the task at hand.