hefty in WordNet English dictionary

1. (of a person) possessing physical strength and weight; rugged and powerful
   "a hefty athlete"; "a muscular boxer"; "powerful arms"
   brawny  hefty  muscular  powerful  sinewy 
   
2. large in amount or extent or degree
   "it cost a considerable amount"; "a goodly amount"; "received a hefty bonus"; "a respectable sum"; "a tidy sum of money"; "a sizable fortune"
   goodly  goodish  healthy  hefty  respectable  sizable  sizeable  tidy 
   
3. of considerable weight and size
   "a hefty dictionary"
   hefty