O.K.

Definitions of O.K.

1. adverb

   in a good or acceptable way
   synonyms: all right, alright, okay
2. noun

   a show of acceptance or approval
   “they gave us the O.K. to go ahead”

   synonyms: OK, okay, okeh, okey

   type of:

   countenance, endorsement, imprimatur, indorsement, sanction, warrant

   formal and explicit approval
3. verb

   give sanction to
   synonyms: approve, okay, sanction

   types:

   sanction

   give religious sanction to, such as through on oath

   visa

   approve officially

   back, endorse, indorse, plump for, plunk for, support

   be behind; approve of

   confirm

   support a person for a position

   guarantee, warrant

   stand behind and guarantee the quality, accuracy, or condition of

   champion, defend

   protect or fight for as a champion

   type of:

   authorise, authorize, clear, pass

   grant authorization or clearance for