from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To make amends or reparation for; atone: expiate one's sins by acts of penance.
- intransitive v. To make amends; atone.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To atone or make reparation for.
- v. To make amends or pay the penalty for.
- v. To relieve or cleanse of guilt.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. 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.
- transitive v. To purify with sacred rites.
- adj. Terminated.
from The Century Dictionary and Cyclopedia
- To atone for; make satisfaction or reparation for; remove or endeavor to remove the moral guilt of (a crime or evil act), or counteract its evil effects, by suffering a penalty or doing some counterbalancing good.
- To avert by certain observances.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. make amends for
Latin expiāre, expiāt- : ex-, intensive pref.; see ex- + piāre, to atone (from pius, devout).(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin expiatum, past participle of expiō ("atone for"). (Wiktionary)