DEMENTATE
De*men"tate, a. Etym: [L. dementatus, p. p. See Dement, v. t.]

Defn: Deprived of reason.
Arise, thou dementate sinner! Hammond.

DEMENTATE
De*men"tate v. t.

Defn: To deprive of reason; to dement. [R.] Burton.

DEMENTATION
De`men*ta"tion, n.

Defn: The act of depriving of reason; madness. Whitlock.

DEMENTED
De*ment"ed, a. Etym: [From Dement.]

Defn: Insane; mad; of unsound mind.
— De*ment"ed*ness, n.

DEMENTIA
De*men"ti*a, n. Etym: [L., fr. demens. See Dement.]

Defn: Insanity; madness; esp. that form which consists in weakness or total loss of thought and reason; mental imbecility; idiocy.