WordWeb Online

1. Characterized by socially or conventionally acceptable morals
   "a respectable woman"
    
2. Deserving of esteem and respect
   "all respectable companies give guarantees";
   - estimable, good, honorable [US], honourable [Brit, Cdn]
    
3. Large in amount, extent or degree
   "a respectable sum";
   - goodly, goodish, healthy, hefty, sizable, sizeable, tidy

See also: considerable, decent, good, nice, presentable, reputable, solid, upstanding, worthy

Antonym: unrespectable

Encyclopedia: Respectable