verb
(transitive) To increase; to make larger or supplement.
(intransitive, reflexive) To grow; to increase; to become greater.
(music) To slow the tempo or meter, e.g. for a dramatic or stately passage.
(music) To increase an interval, especially the largest interval in a triad, by a half step (chromatic semitone).
(grammar, transitive) To add an augment to.
noun
(grammar) A grammatical prefix
An increase.