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Webster 1913 Edition

(-īˊzẽr)

Noun.

One who realizes.

Coleridge.

realizer ‎(plural realizers)

Something or someone that realizes, or that brings about realization
- 2008 January 15, Kelly Trogdon, “Physicalism and sparse ontology”, in Philosophical Studies, volume 143, number 2, DOI:10.1007/s11098-007-9196-7, pages 147-165:
  Suppose that the non-reductive physicalist claims that in the actual world physical property P is the one and only realizer for mental property M.