Approves (3)
'approves' is the definition.
('ok' can be a synonym of 'approve')
This is all the clue.
(Another definition for oks that I've seen is " Passes".)
'approves' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for okays that I've seen before include "Authorises" , "Gives the go-ahead" , "Gives the thumbs up" , "Agrees" , "Sanctions" .)
'approves' is the definition.
(endorsing is a kind of approving)
This is the entire clue.
(Other definitions for endorses that I've seen before include "Countersigns, approves" , "'Supports, backs (8)'" , "Approves, supports" , "One dress (anag.)" , "Gives support or approval to" .)