'Investigate' definitions:

Definition of 'investigate'

From: WordNet
verb
Investigate scientifically; "Let's investigate the syntax of Chinese" [syn: investigate, look into]
verb
Conduct an inquiry or investigation of; "The district attorney's office investigated reports of possible irregularities"; "inquire into the disappearance of the rich old lady" [syn: investigate, inquire, enquire]

Definition of 'Investigate'

From: GCIDE
  • Investigate \In*ves"ti*gate\, v. i. To pursue a course of investigation and study; to make investigation. [1913 Webster]

Definition of 'Investigate'

From: GCIDE
  • Investigate \In*ves"ti*gate\, v. t. [imp. & p. p. Investigated; p. pr. & vb. n. Investigating.] [L. investigatus, p. p. of investigare to investigate; pref. in- in + vestigare to track, trace. See Vestige.] 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. [1913 Webster]

Synonyms of 'investigate'

From: Moby Thesaurus