Augment

Webster's Dictionary of the English Language

·vt To add an augment to.

II. Augment ·noun Enlargement by addition; increase.

III. Augment ·noun A vowel prefixed, or a lengthening of the initial vowel, to mark past time, as in ·Gr. and ·Skr. verbs.

IV. Augment ·vi To Increase; to grow larger, stronger, or more intense; as, a stream augments by rain.

V. Augment ·vt To enlarge or increase in size, amount, or degree; to Swell; to make bigger; as, to augment an army by reeforcements; rain augments a stream; impatience augments an Evil.