(climbing) An ascent of a route without falling, when one has been advised on it or has seen it.

(idiomatic) Immediately when sighted. / (by extension) Immediately something has come to one's attention.

In a place where something can be seen. / Figuratively near or close in either distance or time.

As soon as seen, or presented to sight.

(firearms) To align the sights of a firearm.

(obsolete) Easily or clearly seen; distinctly visible; perspicuous / Having full sight; clear-sighted; perspicacious and discerning; observant

present participle of sight

The act of catching sight of something, especially something searched for.

(in the singular) The ability to see. / The act of seeing; perception of objects by the eye; view. / Something seen. / Something worth seeing; a spectacle, either good or bad.

(transitive) To see; to get sight of (something); to register visually.