adlegation (adlegashon)

[ ad lib. An abbreviation of ad libitum. ad libitum (ad lib'i-tum). [L.: ad = E. at; ML. or NL. libitum, L. only in pl. libita, pleasure, acc. neut. pp. of libet, also spelled lubet, it pleases, akin to E. lief and love: see lief, love, liberal, etc.] At pleasure; to the extent of one's wishes. Specifically, in music, indicating that the time and expre ion of a pa age are left to the feeling and taste of the performer. In the case of cadenzas and other ornaments, the phrase indicates that the performer may omit them or substitute others in their place. An accompaniment is said to be ad libitum when it may be used omitted. Often abbreviated, in speech as well as writing, to ad lib.