lighten-v; 3 Senses

Sense Number 1: become more cheerful or easy-going

Commentary: Syntax

Examples:
If your kids think you're too strict, maybe you should lighten up a
little.
Kids really need to lighten up these days.

Mappings:
VerbNet: NM
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 1, 3
WordNet Verb Particle Constructions, Multiword Expressions:
lighten_up 1, 2

Sense Number 2: reduce the weight, burden, or emphasis on

Commentary:
NOTE:

Examples:
A nice session of yoga really lightens up my mood.
The next day they lightened the ship by removing the bales of wool.
I want to express my grateful acknowledgments to those who have lightened
the burden of my work.
This year, let us lighten up that fatty Thanksgiving menu for you.
The government could save money by lightening up on drug enforcement.

Mappings:
VerbNet: other_cos-45.4
FrameNet: NP
PropBank: lighten.01,lighten.02,lighten.03
WordNet 3.0 Sense Numbers: 2, 6

Sense Number 3: make or become brighter or lighter

Examples:
The chemical washing process lightened the colors in the rug.
The lightning bolts lightened the entire house.
Yellow paint really lightens up a room.

Mappings:
VerbNet: other_cos-45.4
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 4, 5
WordNet Verb Particle Constructions, Multiword Expressions:
lighten_up 3, 4