factionalize
fac tion al ize |ˈfakSHənl -īz ˈfækʃ (ə )nəˌlaɪz | ▶verb [ no obj. ] (esp. of a political party or other organized group ) split or divide into factions: there was a tendency for students to factionalize.
factionalize |ˈfakʃ (ə )nəlʌɪz |(also factionalise ) ▶verb [ no obj. ] (especially of a political party or other organized group ) split or divide into factions: there was a tendency for students to factionalize.