investigator

Noun
Synonyms: research workerresearcherdetectivetecpolice detective

WordNet 3.0

Noun (3)

  1. a scientist who devotes himself to doing researchSynonyms: research workerresearcher
  2. someone who investigates
  3. a police officer who investigates crimesSynonyms: detectivetecpolice detective
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Webster's Dictionary (GCIDE)

Investigator \In*ves"ti*ga`tor\, n. [L.: cf. F. investigateur.] One who searches diligently into a subject. [1913 Webster]
Researcher \Re*search"er\ (-[~e]r), n. One who conducts research. In the field of scientific research, also called an investigator or scientist. [1913 Webster]
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