English

Verb

dementate ‎(third-person singular simple present dementates, present participle dementating, simple past and past participle dementated)

1. (obsolete) To dement, to make crazy.
   • 1621, Robert Burton, The Anatomy of Melancholy, New York, 2001, p.117:

     as if they had all […] landed in the mad haven in the Euxine Sea of Daphne insana, which had a secret quality to dementate […].

Adjective

dementate ‎(comparative more dementate, superlative most dementate)

1. (obsolete) Deprived of reason.
   • Hammond

     Arise, thou dementate sinner!

Latin

Verb

dēmentāte

1. second-person plural present active imperative of dēmentō