The codefendant (especially in a divorce proceeding) who is accused of adultery with the corespondent.

Roget 938: accusation, charge, imputation, slur, inculpation, exprobration^†, delation; crimination; incrimination, accrimination^†, recrimination; tu quoque argument [Lat.]; invective etc. 932.    denunciation, denouncement; libel, challenge, citation, arraignment; impeachment, appeachment^†; indictment, bill of indictment, true bill; lawsuit etc. 969; condemnation etc. 971.    gravamen of a charge, head and front of one's offending, argumentum ad hominem [Lat.]; scandal etc. (detraction) 934; scandalum magnatum [Lat.].    accuser, prosecutor, plaintiff; relator, informer; appellant.    accused, defendant, prisoner, perpetrator, panel, respondent; litigant.    ... show more

Someone who responds.

synonyms: answerer, responder.

Dutch: respondent

Replying.

synonym: answering.

Roget 462: answering etc. v.; responsive, respondent; conclusive.