1
escort(noun, verb, cover, keep, secure)
1
espial
1
espionage
1
espionage agent(noun, expression, plant, agent, operative)
1
examination(bug, scrutiny, investigation, monitor, tap)
1
expect(care, foresight)
1
expectation
1
eye(noun, control, care, watch, guard)
1
fend(verb, cover, keep, secure, observe)
1
field
1
fire patrolman
1
fire warden
1
fireguard
1
flagman
1
flashman
1
foreign agent(noun, expression, plant, agent, operative)
1
forward observer
1
gallery
1
gatekeeper(noun, watchperson)
1
gazebo
11 years ago|7.5k views|share |citing 
APASmart Define. (2015). lookout thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lookout/thesaurus/synonyms
ChicagoSmart Define. 2015. "lookout thesaurus" https://smartdefine.org/lookout/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lookout thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lookout/thesaurus/synonyms>.
MLASmart Define. "lookout thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/lookout/thesaurus/synonyms>