pledge

(noun) a deposit of personal property as security for a debt. Examples: "His saxophone was in pledge."

(noun) someone accepted for membership but not yet fully admitted to the group.

(noun) a drink in honor of or to the health of a person or event. Synonyms: toast.

(noun) a binding commitment to do or give or refrain from something. Synonyms: assurance. Examples: "An assurance of help when needed." "Signed a pledge never to reveal the secret."

(verb) promise solemnly and formally. Synonyms: plight. Examples: "I pledge that i will honor my wife."

(verb) pay (an amount of money) as a contribution to a charity or service, especially at regular intervals. Synonyms: subscribe. Examples: "I pledged $10 a month to my favorite radio station."

(verb) propose a toast to. Synonyms: toast, drink, salute, wassail. Examples: "Let us toast the birthday girl!." "Let's drink to the new year."

(verb) give as a guarantee. Examples: "I pledge my honor."

(verb) bind or secure by a pledge. Examples: "I was pledged to silence."