Definify.com
Webster 1913 Edition
Pervestigation
Per-vesˊti-ga′tion
,Noun.
 [L. 
pervestigatio
.] Thorough investigation. 
[Obs.] 
Chillingworth.
 Webster 1828 Edition
Pervestigation
PERVESTIGA'TION
,Noun.
  Definition 2025
pervestigation
pervestigation
English
Noun
pervestigation (plural pervestigations)
-  (obsolete) thorough investigation
- (Can we find and add a quotation of Chillingworth to this entry?)