lessen-v; 1 Senses

Sense Number 1: (cause to) decrease; subside

Commentary: Syntax Is: NP1 LESSEN (NP2)

The amount of homework has lessened.
He lessened his tenants' arrears for the time being.
After a few days, the pain lessened, allowing him to start resuming
normal activities and work.

VerbNet: other_cos-45.4
FrameNet: NP
PropBank: lessen.01
WordNet 3.0 Sense Numbers: 1, 2, 3