Adjectives

(a)mentalinvolving the mind or an intellectual process“mental images of happy times”, “mental calculations”, “in a terrible mental state”, “mental suffering”, “free from mental defects”
(a)mentalof or relating to the mind“mental powers”, “mental development”, “mental hygiene”
(a)mentalof or relating to the chin- or liplike structure in insects and certain mollusks
(a)genial, mentalof or relating to the chin or median part of the lower jaw
(s)mentalaffected by a disorder of the mind“a mental patient”, “mental illness”