late 14c., notificacioun, "a sign, a token;" early 15c., "act of imparting information, promulgation," from Old French notificacion (13c.) and directly from Medieval Latin notificationem (nominative notificatio), noun of action from past-participle stem of Latin notificare "to make known, notify" (see notify).
of speech communication, "used to establish social relationships rather than to impart information," 1923, coined by Polish-born British anthropologist Bronisław Malinowski (1884-1942) from Greek phatos "spoken, that may be spoken" (from phanai "to speak, say," from PIE root *bha- (2) "to speak, tell, say") + -ic.
mid-15c., "action of making known," from Old French intimation (14c.), from Late Latin intimationem (nominative intimatio) "an announcement," noun of action from past-participle stem of Latin intimare "make known, announce, impress" (see intimate (adj.)). Meaning "action of expressing by suggestion or hint, indirect imparting of information" is from 1530s.
"person who scouts, one sent out to gain and bring in information," 1550s, from scout (v.1). Scout-watch (late 14c.) was an old word for "sentinel, guard." Boy Scout is from 1908, as is Scout for a shortening of it. Scout's honor in reference to Boy Scouting is attested from 1908.
Meaning "superior understanding, sagacity, quality of being intelligent" is from early 15c. Sense of "information received or imparted, news" first recorded mid-15c., especially "secret information from spies" (1580s). Meaning "a being endowed with understanding or intelligence" is late 14c. Intelligence quotient first recorded 1921 (see I.Q.).