Answer: multiply

AnswerCrossword Clue
MULTIPLYDo some arithmetic
MULTIPLYFind a product
MULTIPLYIncrease.
MULTIPLYProliferate
multiplyPropagate (plants)
multiply(of an animal or other organism) Increase in number by reproducing
multiplyto increase in number
multiplyObtain from (a number) another that contains the first number a specified number of times
multiplyIncrease or cause to increase greatly in number or quantity