To look at on all sides or in all its aspects; to view or consider with continued attention; to regard with deliberate care; to meditate on; to study, ponder, or consider.
To consider as a possibility.
To look slyly, or with the eyes half closed, or through a crevice; to peep.
To be only slightly, partially visible, as if peering out from a hiding place.
A quick glance or look.