pledgepledge2 verb [transitiveT]1journalism to make a formal, usually public, promise that you will do somethingSeveral national charities have pledged money to build the centre.
pledge to do somethingThe government pledged to draw up a program for growth and employment.
2LAWFINANCEwhen you borrow money, to offer something you own as SECURITY (=something that lenders have a right to take and sell if you do not repay)He will pledge virtually all of his assets, including his personal residences, to secure his borrowings.