incoming, ingress, entering, entrance, entry - the act of entering; "she made a grand entrance"

body - a group of persons associated by some common tie or occupation and regarded as an entity; "the whole body filed out of the auditorium"

certificate, credential, credentials, certification - a document attesting to the truth of certain stated facts

sound property - an attribute of sound

music - an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner

calibration, standardisation, standardization - the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument; "the thermometer needed calibration"

alignment - the act of adjusting or aligning the parts of a device in relation to each other

collimation - the accurate adjustment of the line of sight of a telescope

temperament - an adjustment of the intervals (as in tuning a keyboard instrument) so that the scale can be used to play in different keys

tune-up - adjustments made to an engine to improve its performance

synchronising, synchronization, synchronizing, synchronisation - an adjustment that causes something to occur or recur in unison

voicing - the act of adjusting an organ pipe (or wind instrument) so that it conforms to the standards of tone and pitch and color