OK
(also okay) colloq. —adjective. (often as int.) All right; satisfactory. —adverb. Well, satisfactorily. —none. (plural. Oks) approval, sanction. —verb. (ok`s, ok`d, ok`ing) approve, sanction. [originally us: probably abbreviation of orl (or oll) korrect, jocular form of ‘all correct’]