1. One who institutes, founds, ordains, or establishes
   - institutor

Derived forms: instituters

• extracurricular activity
• extraditable
• extradite
• extradition
• extrados
• extradural
• extragalactic
• extragalactic nebula
• extrajudicial
• extralegal
• extralinguistic
• extramarital
• extramarital sex
• extramundane
• extramural
• extraneous
• extraneousness
• extranet
• extraordinaire
• extraordinarily
• extraordinariness
• extraordinary
• extrapolate
• extrapolation
• extrasensory