SIMPLIFICATION
reduction, simplification
(noun) the act of reducing complexity
simplification
(noun) elimination of superfluous details
simplification
(noun) an explanation that omits superfluous details and reduces complexity
Source: WordNet® 3.1
Etymology
Noun
simplification (countable and uncountable, plural simplifications)
the act of simplifying or something that has been simplified
(logic) a valid simple argument
Source: Wiktionary
Sim`pli*fi*ca"tion, n. Etym: [Cf. F. simplification.]
Definition: The act of simplifying. A. Smith.
Source: Webster’s Unabridged Dictionary 1913 Edition