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1. Very large; of exceptional size for its kind
   "won by a plumping majority"

1. Drop sharply
   "The stock market plumped";
   - plummet
    
2. Set (something or oneself) down with or as if with a noise
   "He plumped down the money on the table";
   - plank [informal], flump [informal], plonk [informal], plop, plunk, plump down, plunk down, slap
    
3. Make fat or plump
   "We will plump out that poor starving child";
   - fatten, fat [archaic], flesh out, fill out, plump out, fatten out, fatten up
    
4. Give support (to) or make a choice (of) one out of a group or number
   "I plumped for the losing candidates";
   - go

See also: big, large

Type of: alter, change, choose, drop, modify, pick out, place down, put down, select, set down, take

Encyclopedia: Plumping