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Webster 1913 Edition
Prevailment
Pre-vail′ment
,Noun.
 Prevalence; superior influence; efficacy. 
[Obs.] 
Shak.
 Webster 1828 Edition
Prevailment
PREVA'ILMENT
,Adj.
  Definition 2025
prevailment
prevailment
English
Noun
prevailment
-  (obsolete) prevalence; superior influence; efficacy
- (Can we find and add a quotation of Shakespeare to this entry?)