WordWeb Online

1. Worthy of or requiring responsibility or trust; or held accountable
   "a responsible adult"; "responsible journalism"; "a responsible position"; "the captain is responsible for the ship's safety"; "the cabinet is responsible to the parliament"
    
2. Being the agent or cause
   "determined who was the responsible party"; "termites were responsible for the damage";
   - responsible for
    
3. Having an acceptable credit rating
   "a responsible borrower";
   - creditworthy

See also: accountable, amenable, answerable, causative, liable, obligated, prudent, responsibility, responsibleness, straight-up [informal], trustable, trustworthy, trusty

Antonym: irresponsible

Encyclopedia: Responsible