multiply Synonyms

manifold breed procreate reproduce spread spawn strengthen soar snowball skyrocket suppute rise spaw mushroom pluralize plurally populate raise progenerate proliferate propagate pullulate redouble swell teem aggrandisement beef up mount up give birth burst forth hike up overpopulate bush out shoot up build up spring up arithmetic operation tenfold wax widen pile up step-up run up lay in do well add to escalate multiplication accrue broaden