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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Causative, effective.
  • v. Present participle of effect.


effect +‎ -ing. The adjective likely follows from the verb, perhaps with influence from effective, affecting, or both. (Wiktionary)



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  • My adjectival use: Rather than say 'an effecting drug', we usually say that we would use 'an effectual drug'.

    August 22, 2011