(1):
(n.) An Observantine.
(2):
(a.) Taking notice; viewing or noticing attentively; watchful; attentive; as, an observant spectator; observant habits.
(3):
(a.) Submissively attentive; obediently watchful; regardful; mindful; obedient (to); - with of, as, to be observant of rules.
(4):
(n.) One who observes forms and rules.
(5):
(n.) A sycophantic servant.