One-word substitution (perceptibility by ear): Choose the term that precisely means ‘‘capable of being heard’’ or ‘‘perceptible to the ear’’. Context: Do not confuse with terms referring to the sense of hearing in general or to mixed media. Instruction: Select the most appropriate single-word substitute.

Given data

• Target meaning: something that can be heard.
• Options: Audible, Auditory, Audio-visual, Audition.

Concept / Approach
‘‘Audible’’ describes a sound that is actually hearable. ‘‘Auditory’’ pertains to the sense of hearing; ‘‘audio-visual’’ combines sound and sight; ‘‘audition’’ is the act of hearing or a trial performance.

Elimination
Audible — hearable; correct. ✅Auditory — relating to hearing (adjectival category), not ‘‘can be heard’’. ❌Audio-visual — involving sound and sight; not a property of being hearable. ❌Audition — hearing or try-out; not an adjective meaning hearable. ❌

Example
‘‘The announcement was barely audible over the crowd.’’

Final Answer
Audible