Effectiveness
Effectiveness noun - The capacity to persuade.
Reason and effectiveness are semantically related. In some cases you can use "Reason" instead a noun "Effectiveness".
Reason
Reason noun - A statement given to explain a belief or act.
Effectiveness and reason are semantically related. Sometimes you can use "Effectiveness" instead a noun "Reason".
How words are described
Both words in one sentence
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It's implied that the reason for her effectiveness was that she could do this routine by herself, using colored contacts and Peek-a-Bangs to flip between inviting and threatening.
Source: Good Cop/Bad Cop -
While the latter two are understandably missing (the smaller level size would limit their effectiveness greatly), Water doesn't seem to have any reason other than space limitations.
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Of course, the effectiveness and eventual victory of La Résistance is the whole reason for Skynet's time travel gambit to begin with.
Cite this Source
Reason and Effectiveness. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/effectiveness/reason
Effectiveness & Reason. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/effectiveness/reason>.
Reason or Effectiveness. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/effectiveness/reason.
Google Ngram Viewer shows how "effectiveness" and "reason" have occurred on timeline