quieten-v; 2 Senses

Sense Number 1: (Cause to) make less noise.

Examples:
The audience quietened when the speaker entered.
Please quieten the children in church.
Quieten down!

Mappings:
VerbNet: other_cos-45.4
FrameNet: Become_silent
PropBank: quieten.01,quieten.02
WordNet 3.0 Sense Numbers: 1, 3

Sense Number 2: Make calm or still; cause to move less.

Commentary:
NOTE: may be metaphorical.

Examples:
Quieten the dragons of worry and fear.
Quieten the thrashing snakes.

Mappings:
VerbNet: other_cos-45.4
FrameNet: NM
PropBank: NM
WordNet 3.0 Sense Numbers: 2