Hefty
WordNet
adjective
(1) 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"
(2) Of considerable weight and size
"A hefty dictionary"
(3) (of a person) possessing physical strength and weight; rugged and powerful
"A hefty athlete"
"A muscular boxer"
"Powerful arms"