n. A fact related to another fact and modifying or throwing light upon its meaning, significance, importance, etc., without affecting its essential nature; something attending, appendant, or relative; something incidental; an accidental or unessential accompaniment; especially, some fact which gives rise to a certain presumption or tends to afford evidence.n. A particular or detail; a matter of small consequence: as, that is a mere circumstance compared to what followed.n. Collectively, detail; minuteness; specification of particulars.n. A ceremonious accompaniment; a formality required by law or custom; more specifically, in a concrete sense, adjuncts of pomp and ceremony; ceremonies; display.n. The surroundings, rarely of a thing, generally of a person; existing condition or state of things; facts external to a person considered as helping or, more especially, as hindering his designs, or as inducing him to act in a certain way; predicament, unforeseen or unprovided for; a person's worldly estate, or condition of wealth or poverty; fortune; means: generally in the plural.n. Event; occurrence; incident.To place in a particular situation or condition with regard to attending facts or incidents: only in the past participle: as, he was so circumstanced that he could not accept.To control or guide by circumstances: only in the following passage.To furnish or dress out with incidents and details; add circumstances to.