More than one playing card of rank ace

• Serves won untouched in tennis, considered collectively
• Experts or top performers, considered as a group
• Holes in one in golf, more than one

Performs perfectly on a test or task

• Defeats others decisively in competition
• Wins a point with an untouchable serve
• Makes a hole in one in golf

Slang: excellent; very good

• As an exclamation expressing approval or delight

Initialism with various meanings

• Academy Color Encoding System (film color workflow)
• ACES: The Society for Editing (formerly American Copy Editors Society)
• Adverse Childhood Experiences (public health)