Definify.com
Webster 1913 Edition
Virtuate
Vir′tu-ate
,Verb.
 T.
 To make efficacious; to give virtue of efficacy. 
[Obs.] 
Harvey.
 Webster 1828 Edition
Virtuate
VIR'TUATE
,Verb.
T.
  Definition 2025
virtuate
virtuate
English
Verb
virtuate (third-person singular simple present virtuates, present participle virtuating, simple past and past participle virtuated)
-  (obsolete) To make efficacious; to give virtue of efficacy.
- Harvey.