unison

English Thesaurus

1. (music) two or more sounds or tones at the same pitch or in octaves (noun.attribute)

hypernym	:	sound,
definition	:	the particular auditory effect produced by a given cause (noun.attribute)

domain category	:	music,
definition	:	an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner (noun.communication)

2. occurring together or simultaneously (noun.attribute)

hypernym	:	co-occurrence, coincidence, concurrence, conjunction,
definition	:	the temporal property of two things happening at the same time (noun.attribute)

3. corresponding exactly (noun.state)

hypernym	:	accord, agreement,
definition	:	harmony of people's opinions or actions or characters (noun.state)