registration

Definition (noun): the act of enrolling

Definition (noun): the body of people (such as students) who register or enroll at the same time

Definition (noun): a document certifying an act of registering

Definition (noun): (music) the sound property resulting from a combination of organ stops used to perform a particular piece of music; the technique of selecting and adjusting organ stops

Definition (noun): the act of adjusting something to match a standard