1. Not liable to stumble or fall
   - surefooted, sure-footed

See also: steady

• acoustic
• acoustic aphasia
• acoustic buoy
• acoustic delay line
• acoustic device
• acoustic gramophone
• acoustic guitar
• acoustic impedance
• acoustic meatus
• acoustic modem
• acoustic nerve
• acoustic phenomenon
• acoustic power
• acoustic projection
• acoustic radiation pressure
• acoustic reactance
• acoustic resistance
• acoustic spectrum
• acoustic storage
• acoustic wave
• acoustical
• acoustically
• acoustician
• acousticophobia
• acoustics