pledge (Noun) — A deposit of personal property as security for a debt. ex. "his saxophone was in pledge"
pledge (Noun) — Someone accepted for membership but not yet fully admitted to the group.
pledge (Noun) — A drink in honour of or to the health of a person or event.
pledge (Noun) — A binding commitment to do, give or refrain from something. ex. "signed a pledge never to reveal the secret"
pledge (Verb) — Promise solemnly and formally. ex. "I pledge that I will honour my wife"
pledge (Verb) — Pay (an amount of money) as a contribution to a charity or service, especially at regular intervals. ex. "I pledged $10 a month to my favourite radio station"
pledge (Verb) — Propose a toast to. ex. "Let us pledge the birthday girl!"
pledge (Verb) — Give as a guarantee. ex. "I pledge my honour"
pledge (Verb) — Bind or secure by a pledge. ex. "I was pledged to silence"