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Definition of investigate:

  1. To follow up step by step by patient inquiry or observation; to trace or track mentally; to search into; to inquire and examine into with care and accuracy; to find out by careful inquisition; as, to investigate the causes of natural phenomena.
  2. To pursue a course of investigation and study; to make investigation.


check out, inspect, suss out, dig, scout, check into, check over, look into, study, reconnoiter, inquire, wonder, review, check up on, go over, enquire.

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