To increase the amount, degree or number of (something).
To grow in number.
To perform multiplication.
To be a factor in a multiplication with (another factor).
To breed or propagate.
To perform multiplication on (a number).
An act or instance of multiplying.
In many or multiple ways.
To cost money.
To remove from or allow distance.
To delay or obstruct.
To install or position behind a boundary or surface, or in a recess.
To reverse, go backwards.