Ob‐serv″ant (?), a. [L. observans, -anits, p. pr. of observare: cf. F. observant. See Observe.]
1. Taking notice; viewing or noticing attentively; watchful; attentive; as, an observant spectator; observant habits.
Wandering from clime to clime observant stray'd. Pope.
2. Submissively attentive; obediently watchful; regardful; mindful; obedient (to); — with of, as, to be observant of rules.
We are told how observant Alexander was of his master Aristotle. Sir K. Digby.