To discover or manage to perceive (something hidden or not easily noticed)
To discover is defined as to learn something new, become aware of something or to find something, especially if you are the first to locate it.
To glimpse is defined as to catch a quick look at something.
To notice or perceive (something)
To see is to use your eyes to look at things or that something is visible to you.
To get sight of (something).
Spot is defined as to stain, to remove stains, to recognize or to see.
To survey or study mentally; consider:
To attend to dangers to or regarding.
To be the victim of (something unpleasant, painful etc.). [from 13th c.]
To catch sight of (something difficult to discern).
To catch sight of; make out; perceive; see
Find another word for espy. In this page you can discover 18 synonyms, antonyms, idiomatic expressions, and related words for espy, like: detect, discern, discover, find, glimpse, notice, observe, see, sight, spot and view.