Fac"tion (făk"shŭn), n. [L. factio a doing, a company of persons acting together, a faction: cf. F. faction See Fashion.] 1. (Anc. Hist.) One of the divisions or parties of charioteers (distinguished by their colors) in the games of the circus.

2. A party, in political society, combined or acting in union, in opposition to the government, or state; -- usually applied to a minority, but it may be applied to a majority; a combination or clique of partisans of any kind, acting for their own interests, especially if greedy, clamorous, and reckless of the common good.

3. Tumult; discord; dissension.

They remained at Newbury in great faction among themselves.

Syn. -- Combination; clique; junto. See Cabal.

• A group of people who express a shared belief or opinion different from people who are not part of the group.
  
• A form of literature, film etc., that treats real people or events as if they were fiction; a mix of fact and fiction