v.
carry out a systematic or formal inquiry into (an incident or allegation) so as to establish the truth.
▸carry out research into (a subject).
▸make a search or systematic inquiry.
Derivative
- investigable adj.
- investigation n.
- investigator n.
- investigatory adj.
Etymology
C16 (earlier (ME) as investigation): from L. investigat-, investigare ‘trace out’.