Explanation

noun

1. The act or process of explaining.

   "launched into a detailed explanation."

2. Something that explains.

   "That was supposedly the explanation for their misdeeds."

3. A mutual clarification of misunderstandings; a reconciliation.
4. The act of explaining.
5. The process of showing by reasoning or investigation the causal or logical antecedents or conditions of some thing or event which is to be accounted for; specifically, the making clear by reasoning how certain observed or admitted facts may have been brought about by the action of known principles, if a certain supposition is allowed; the unification of a confused mass of facts, by means of a single known or supposed fact from which they would all necessarily or probably result.