-ˌgād.ə(r), -ātə- noun
( -s )
Etymology: Latin, from investigatus (past participle of investigare ) + -or
: one that investigates: as
a. : one that conducts systematic inquiries or experiments : student , researcher
b. : an insurance claim adjuster or an underwriter
c. : one who is employed to examine the quality of goods or services of a business, its type of personnel, or the condition of its property — called also spotter
d. : one who inquires into the history of an applicant for employment to determine his integrity and loyalty
e. : detective