%compurgation%

n. [ L. compurgatio, fr. compurgare to purify wholly; com- + purgare to make pure. See Purge, v. t. ] 1. (Law) The act or practice of justifying or confirming a man's veracity by the oath of others; -- called also wager of law. See Purgation; also Wager of law, under Wager. [ 1913 Webster ]

2. Exculpation by testimony to one's veracity or innocence. [ 1913 Webster ]

He was privileged from his childhood from suspicion of incontinency and needed no compurgation. Bp. Hacket. [ 1913 Webster ]