a solemn promise or undertaking

the conference ended with a joint pledge to limit pollution

a thing that is given as security for the fulfilment of a contract or the payment of a debt and is liable to forfeiture in the event of failure

he had given the object as a pledge to a creditor

the drinking of a person's health; a toast

commit (a person or organization) by a solemn promise

the government pledged itself to deal with environmental problems

give as security on a loan

the creditor to whom the land is pledged

drink to the health of

in his hand a sculptured goblet, as he pledged the merchant kings