Synonyms: detection, espial, spotting, spying, catching
Definition: the act of detecting something; catching sight of something
Similar words: discovery, find, uncovering
Definition: the act of discovering something
Synonyms: spying, undercover work
Definition: the act of keeping a secret watch for intelligence purposes
Similar words: intelligence, intelligence activity, intelligence operation
Definition: the operation of gathering information about an enemy
Synonyms: spying
Definition: keeping a secret or furtive watch