investigate
US /ɪnˈves.tə.ɡeɪt/
UK /ɪnˈves.tə.ɡeɪt/
1.
to carry out a systematic or formal inquiry to discover and examine the facts of (an incident, allegation, etc.) so as to establish the truth
:
•
The police are investigating the cause of the fire.
•
We need to investigate all possible solutions.