'Retroaction' definitions:

Definition of 'Retroaction'

From: GCIDE
  • Retroaction \Re`tro*ac"tion\, n. [Cf. F. r['e]troaction.]
  • 1. Action returned, or action backward. [1913 Webster]
  • 2. Operation on something past or preceding. [1913 Webster]

Synonyms of 'retroaction'

From: Moby Thesaurus