From The Collaborative International Dictionary of English v.0.44 [gcide]:
Expiate \Ex"pi*ate\, verb (used with an object) [imp. & p. p. {Expiated}; p. pr. & vb. n. {Expiating}.] [L. expiatus, p. p. of expiare to expiate; ex out + piare to seek to appease, to purify with sacred rites, fr. pius pious. See {Pious}.]
1. To extinguish the guilt of by sufferance of penalty or some equivalent; to make complete satisfaction for; to atone for; to make amends for; to make expiation for; as, to expiate a crime, a guilt, or sin.
To expiate his treason, hath naught left. --Milton.
The Treasurer obliged himself to expiate the injury. --Clarendon.
2. To purify with sacred rites. [Obs.]
Neither let there be found among you any one that shall expiate his son or daughter, making them to pass through the fire. --Deut. xviii. 10 (Douay version)
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Expiate \Ex"pi*ate\, adjective [L. expiatus,p. p] Terminated. [Obs.] --Shak.
From WordNet (r) 2.0 [wn]:
verb
1: make amends for; "expiate one's sins" [syn: {aby}, {abye}, {atone}]
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
37 Moby Thesaurus words for "expiate": amend, atone, atone for, compensate, compensate for, correct, cover, do penance, fill up, give and take, give satisfaction, indemnify, live down, make amends, make compensation, make good, make matters up, make reparation, make right, make up for, pay back, pay the forfeit, pay the penalty, propitiate, put right, recompense, rectify, redeem, redress, remedy, repair, repay, retaliate, satisfy, set right, square it, square things
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