increase

intransitive verb increased, increasing

1. to become greater in size, amount, degree, etc.; grow
2. to become greater in numbers by producing offspring; multiply; propagate

transitive verb

noun

1. an increasing or becoming increased; specif.,
   1. growth, enlargement, etc.
   2. Archaic multiplication, as of offspring
2. the result or amount of an increasing: a population increase of 10%