An amount by which a quantity is increased.

For a quantity, the act or process of becoming larger

Offspring, progeny

(knitting) The creation of one or more new stitches; see Increase (knitting).

(intransitive) (of a quantity, etc.) To become larger or greater.

(transitive) To make (a quantity, etc.) larger.

To multiply by the production of young; to be fertile, fruitful, or prolific.

(astronomy, intransitive) To become more nearly full; to show more of the surface; to wax.