To be engaged exploring in any of the above senses.
To travel somewhere in search of discovery.
To examine diagnostically.
To (seek) experience first hand.
To seek sexual variety, to sow one's wild oats.
To wander without any particular aim or purpose.
To examine or investigate something systematically.
An exploration; a tour of a place to see what it is like.
To appear by glimpses.
To see or view briefly or incompletely.
A brief look, glance, or peek.
A sudden flash.
A faint idea; an inkling.