| 1. | to be in agreement or harmony; agree. |
| 2. | to make agree or correspond; adapt. |
| 3. | to grant; bestow: to accord due praise. |
| 4. | Archaic. to settle; reconcile. |
| 5. | proper relationship or proportion; harmony. |
| 6. | a harmonious union of sounds, colors, etc. |
| 7. | consent or concurrence of opinions or wills; agreement. |
| 8. | an international agreement; settlement of questions outstanding among nations. |
| 9. | of one's own accord, without being asked or told; voluntarily: We did the extra work of our own accord. |
of one's own accord
Also, of one's own free will. Voluntarily, without prompting or coercion, as in The entire audience rose of their own accord, or No, I'm climbing this mountain of my own free will. The first term dates from about 1450, the variant from about 1600.