lessen

/ˈle-sᵊn/

verb

  1. to shrink in size, number, or degree : decrease

  2. to reduce in size, extent, or degree

  3. to represent as of little value

The pain will lessen over time.

decrease lessen diminish reduce abate dwindle mean to grow or make less. decrease suggests a progressive decline in size, amount, numbers, or intensity. lessen suggests a decline in amount rather than in number.