返す

What does 返す mean in English?

1. to return (something); to restore; to put back(v5s, vt)
2. to turn over; to overturn(v5s, vt)
3. to pay back; to retaliate; to reciprocate(v5s, vt)
4. to respond (with); to retort; to reply; to say back(v5s, vt)
5. to do ... back (e.g. speak back, throw back)(aux-v, v5s)
6. to do again; to do repeatedly(aux-v, v5s)