celerity (n.)

• alacrity
• bat
• briskness
• dispatch
• expedition
• expeditiousness
• fastness
• flight
• flit
• flurry
• gait
• haste
• hurry
• hustle
• instantaneousness
• legerity
• pace
• precipitation
• promptitude
• promptness
• quickness
• rapidity
• rpm
• rush
• rustle
• speed
• speediness
• swiftness
• velocity