responsal

from The Century Dictionary.

• Answerable; responsible.
• noun Response; answer; especially, a liturgical response.
• noun In the Roman empire, a representative of a foreign church or prelate, who resided at the capital and conducted negotiations on ecclesiastical matters; an apocrisiary.
• noun A proctor for a monastery or for a member of it before the bishop.

from the GNU version of the Collaborative International Dictionary of English.

• noun obsolete One who is answerable or responsible.
• noun obsolete Response.
• adjective obsolete Answerable.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun obsolete One who is answerable or responsible.
• noun obsolete A response.