ECLECTICISM
eclecticism, eclectic method
(noun) making decisions on the basis of what seems best instead of following some single doctrine or style
Source: WordNet® 3.1
Etymology
Noun
eclecticism (countable and uncountable, plural eclecticisms)
The quality of being eclectic
(philosophy) An approach to thought that draws upon multiple theories to gain complementary insights into phenomena
(arts) Any form of art that borrows from multiple other styles
Source: Wiktionary
Ec*lec"ti*cism, n. Etym: [Cf. F. éclecticisme. Cf. Electicism.]
Definition: Theory or practice of an eclectic.
Source: Webster’s Unabridged Dictionary 1913 Edition