Answer: proliferated

AnswerCrossword Clue
PROLIFERATEDMultiplied.
proliferatedIncrease rapidly in numbers; multiply
proliferatedProduce (something) in large or increasing quantities
proliferatedCause (cells, tissue, structures, etc.) to reproduce rapidly
proliferated(of a cell, structure, or organism) Reproduce rapidly
proliferatedPROLIFERATE, to grow or increase in number rapidly