Related Clues:

• Skeptical acknowledgement
• 'Not to worry'
• Unfailing
• Free from doubt
• '___ does it!'
• 'That'd be fine'
• Nonchalant
• 'Why not?!'
• Crossword category
• 'You got it'
• Doubtless
• ''Tain't nothin'!'
• Lax
• Undemanding
• 'Settle down!'