1
considerer
1
consumer
1
contributor(noun, person, search, first)
1
corroborator(noun, witness, proof, testimony, observer)
1
deponent(noun, witness, proof, testimony, observer)
1
detective(noun, plant, watch, guard, agent)
1
device
1
dish
1
double agent(noun, expression, plant, agent, operative)
1
drugstore cowboy
1
emissary(noun, plant, agent, operative, mole)
1
espionage agent(noun, expression, plant, agent, operative)
1
examinant(noun, person, search, first)
1
explorationist(noun, person, search, first)
1
fire patrolman
1
fire warden
1
fireguard
1
foreign agent(noun, expression, plant, agent, operative)
1
forward observer
1
gaper
11 years ago|6.3k views|share |citing 
APASmart Define. (2015). watcher thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/watcher/thesaurus/synonyms
ChicagoSmart Define. 2015. "watcher thesaurus" https://smartdefine.org/watcher/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, watcher thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/watcher/thesaurus/synonyms>.
MLASmart Define. "watcher thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/watcher/thesaurus/synonyms>