1. Bound by or as if by an oath
   - sworn

1. Promise solemnly and formally
   "I pledge that I will honour my wife"
   - plight 
2. Pay (an amount of money) as a contribution to a charity or service, especially at regular intervals
   "I pledged $10 a month to my favourite radio station"
   - subscribe 
3. Propose a toast to
   - toast, drink, salute, wassail [archaic] 
4. Give as a guarantee
   "I pledge my honour" 
5. Bind or secure by a pledge
   "I was pledged to silence"

See also: committed, pledger

Type of: assure, bind, charge, consign, donate, fete, fête, hold, honor [US], honour [Brit, Cdn], obligate, oblige, promise, reward

Encyclopedia: Pledge

• cocktail
• cocktail dress
• cocktail lounge
• cocktail party
• cocktail sauce
• cocktail shaker
• cocktail stick
• cocktail table
• cockup
• cocky
• cocky-leeky
• coco
• coco de macao
• coco palm
• cinnamon fern
• cinnamon roll
• cinnamon snail
• cinnamon stone
• cinnamon toast
• cinnamon vine
• cinnamon-colored
• cinnamon-red
• cinnamon-scented
• cinnnamon colored
• cinque