any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention
a clear and telling mental image; "he described his mental picture of his assailant"; "he had no clear picture of himself or his world"; "the events left a permanent impression in his mind"
(psychology) a form of practice; repetition of information (silently or aloud) in order to keep it in short-term memory
a practice session in preparation for a public performance (as of a play or speech or concert); "he missed too many rehearsals"; "a rehearsal will be held the day before the wedding"
(law) a proceeding (usually by a court) where evidence is taken for the purpose of determining an issue of fact and reaching a decision based on that evidence
the ability to hear; the auditory faculty; "his hearing was impaired"
a session (of a committee or grand jury) in which witnesses are called and testimony is taken; "the investigative committee will hold hearings in Chicago"
an opportunity to state your case and be heard; "they condemned him without a hearing"; "he saw that he had lost his audience"
an ability to understand the meaning or importance of something (or the knowledge acquired as a result); "how you can do that is beyond my comprehension"; "he was famous for his comprehension of American literature"