A-ok

Informal. OK; perfect:
an A-OK rocket launching.
Contemporary Examples

And with that return, a confirmation: Facebook users, middle names are A-OK in Zuckerville.
Facebook Deactivates Salman Rushdie’s Profile, Makes Him Use ‘Ahmed’ Brian Ries November 14, 2011

Even Patrick Dempsey, who plays Dr. Derek Shepherd, would be A-OK with the series coming to an end.
Pull the Plug on ‘Grey’s Anatomy’ Anna Brand August 15, 2013

adjective
(informal, mainly US) in perfect working order; excellent

1961, said to be an abbreviation of all (systems) OK; popularized in the jargon of U.S. astronauts. See OK.

adjective

Proceeding or functioning properly; giving no cause for worry; copacetic, go: Your X rays are A-OK

adverb

: The plan’s going A-OK (1960s+ Space travel)
in perfect condition or order