observatio; animadversio (a giving heed, attention); e.g., naturae: a man of quick observation [Vid: OBSERVER]: to make an observation, observare; animadvertere (to observe): experiri (to try, make experiment): to be exposed to the observation of all, in clarissima luce versari: what my own observation supplies, quod animadverti: an army of observation, *copiae ad hostium itinera servanda dispositae: to make astronomical observations, caelum sideraque spectare (caeli siderumque spectator, one who makes such, Liv., 24, 34); motus stellarum observitare (Cic., Div., 1, 1, 2, Orelli [al. observare]), considerare sidera (Gell., 2, 21); positus siderum ac spatia dimetiri (Tac., Ann., 6, 21, 3).