pledge (
http://definr.com/pledge)
n 1: a deposit of personal property as security for a debt; "his
saxophone was in pledge"
2: someone accepted for membership but not yet fully admitted
to the group
3: a drink in honor of or to the health of a person or event
[syn:
toast]
4: a binding commitment to do or give or refrain from
something: "an assurance of help when needed"; "signed a
pledge never to reveal the secret" [syn:
assurance]
v 1: promise solemnly and formally [syn:
plight]
2: propose a toast to; "Let us toast the birthday girl!" "Let's
drink to the New Year" [syn:
toast,
drink,
salute,
wassail]
3: give as a guarantee; "I pledge my honor"
4: bind or secure by a pledge