Jim-dandy
Else clues• All is well!
• All right, informally
• All systems go!
• Astronaut's thumbs-up (var.)
• Excellent
• Fine and dandy
• Fine, informally
• Good to go
• Houston assurance
• Houston, we don't have a problem
• Hunky-dory
• Just ducky
• Just perfect
• NASA phrase
• Perfect
• Perfect, at NASA
• Perfect, at NASA (var.)
• Perfectly all right: Hyph.
• Thumbs up