Definition of augmenting:
(v) :
(transitive) To increase; to make larger or supplement.
(v) :
(intransitive, reflexive) To grow; to increase; to become greater.
(n) :
An increase.
(v) :
(music) To increase an interval, especially the largest interval in a triad, by a half step (chromatic semitone).
(v) :
(grammar, transitive) To add an augment to.
(n) :
(grammar) A grammatical prefix