The act of placing someone or something in particular circumstances or conditions.
Present participle of circumstance as a verb, formed by adding -ing to the verb form. This usage emerged later, converting the noun into an action word meaning to affect with circumstances.
Grammar geeks love this word because it shows how English transforms nouns into verbs—circumstancing is the active process of putting things into situations. You'll find it in legal documents where it describes the factors being arranged around a case.
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