pledge-v; 3 Senses

Sense Number 1: promise, as a gift or guarantee of future action

Examples:
I pledge my honor.
The transport secretary has pledged to listen to opponents.
He pledged fifty dollars to the charity drive.
He has pledged that there will never be tax hikes under a government led by him.
$500 million was pledged to fight obesity.

Mappings:
VerbNet: NM
FrameNet: Commitment
PropBank: pledge.01
WordNet 3.0 Sense Numbers: 1, 2, 4, 5

Sense Number 2: drink a toast to someone

Examples:
His hand was steady as he raised his glass and pledged a toast.

Mappings:
VerbNet: NM
FrameNet: NM
PropBank: NM
WordNet 3.0 Sense Numbers: 3

Sense Number 3: enroll in a society or contractual relationship

Examples:
Before you pledged the sorority, how many people had you lived with at one time?
He pledged the professional fraternity in his first semester.
At any rate, I pledged the organization that I wanted to be a part of.
His father pledged him to a ten-year apprenticeship with Master Yu.

Mappings:
VerbNet: NM
FrameNet: Imposing_obligation
PropBank: NM