IPA: /ɪnˈvɛstəˌɡɔːri/
KK: /ɪnˈvɛstəˌɡɑri/
Related to the process of examining or inquiring into something to discover facts or information.
The investigatory committee was formed to look into the allegations of misconduct.
Investigatory → It is formed from "investigare" (from Latin, meaning to track or search into) and the suffix "-ory" (meaning relating to or characterized by). The word "investigatory" refers to something that is related to the act of searching or examining closely.
Think of 'tracking' or 'searching into' something — that's what investigatory means, as it relates to examining or looking into details.