History

OK

v.

[1]	approve , sanction , ratify , authorize , endorse , support , agree to , allow , consent to , agree to , (Colloq) give the go-ahead/green light to , give the thumbs up/the nod to , rubber-stamp

n.

[1]	approval , sanction , ratification , authorization , endorsement , agreement , support , permission , consent

interj.

[1]	O.K. , Okay , Fine , Yes , Definitely , Agreed , Very well , All right.

adv.

[1]	all right , satisfactorily , well (enough) , adequately

adj.

[1]	satisfactory , acceptable , correct , suitable , all right , fine , good , in order
[2]	adequate , mediocre , fair , middling , passable , tolerable , (Colloq) so so , pretty good , not bad , not great
[3]	well , healthy , sound , in good condition , in fine fettle , fine , all right