expiate - definition and synonyms

verb [transitive] very formal 

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/ˈekspieɪt/
present tense
I/you/we/theyexpiate
he/she/itexpiates
present participleexpiating
past tenseexpiated
past participleexpiated
  1. to show that you are sorry for something bad you have done by doing something good

derived word

expiation

 

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/ˌekspiˈeɪʃ(ə)n/
noun [uncountable]