Ok

(noun) a state in south central United States. Synonyms: Oklahoma, Sooner State, OK.

(noun) an endorsement. Synonyms: O.K., OK, okay, okey, okeh. Example: "They gave us the o.k. to go ahead."

(adj) being satisfactory or in satisfactory condition. Synonyms: all right, fine, o.k., ok, okay, hunky-dory. Examples: "An all-right movie." "The passengers were shaken up but are all right." "Is everything all right?." "Everything's fine." "Things are okay." "Dinner and the movies had been fine." "Another minute i'd have been fine."

(adv) an expression of agreement normally occurring at the beginning of a sentence. Synonyms: very well, fine, alright, all right, OK.