Related Clues:

• Waves at, perhaps
• Cheers
• Praises loudly
• Flags
• Hails
• Welcomes warmly
• Greets
• Lauds
• Acclaims
• Welcomes
• Calls, as a cab
• Does an usher's job
• Precipitates, in a way
• Comes down hard
• Calls to cabbies