Endorse
'endorse' is the definition.
(I know that endorse is a more specific form of okay)
This is all the clue.
(Other definitions for okay that I've seen before include "Correct" , "Not terrific but acceptable" , "Passable" , "Give approval to" , "Permissible (colloq.)" .)
'endorse' is the definition.
(I know that endorse is a more specific form of sign)
This is all the clue.
(Other definitions for sign that I've seen before include "information board?" , "Mark" , "Ram" , "part of the zodiac" , "Authorise with a name" .)
'endorse' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for approve that I've seen before include "Give the go-ahead" , "Give the green light" , "OK" , "Officially endorse" , "Like" .)
'endorse' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for recommend that I've seen before include "Approve" , "Advocate or advise as a course to take" , "Advise as suitable for acceptance" , "Give advice" , "Advise (as to best option)" .)