IPA: //ˌsɜːrkəmˈstænʃəl//
KK: /sɜr.kəmˈstæn.ʃəl/
Relating to the details or circumstances of a situation; often used to describe something that is detailed or specific to a particular context.
The detective provided a circumstantial account of the events leading up to the crime.
Circumstantial → It is formed from "circum-" (meaning around) and "stantia" (from "stare", meaning to stand). The word refers to something that stands around a situation, often relating to conditions or details surrounding an event.
Think of things that 'stand around' a situation ('stantia') and are 'around' it ('circum-') — that's why circumstantial refers to details related to a situation.