1. Being the source or cause of something. 2. Assuming obligations, duties, connections, commitments, etc. 3. Accountable, as for something within one’s power. 4. Involving responsibility: a responsible position. 5. Chargeable with being the source or occasion of something. 6. Having a capacity for moral decisions and therefore accountable. 7. Able to discharge obligations or pay debts. 8. Reliable or dependable, as in conducting one’s affairs. Personal accountability.