Answer: theoric

AnswerCrossword Clue
theorica person dedicated to the contemplative life, esp an Essene
theorica theory or conjecture
theorictheory (an explanation of anything)
theoricpertaining to or proficient in theory
theorican obsolete device thought to explain a natural object or event
theoric(in ancient Greece) relating to theorica or the public moneys spent to fund festivals, religious ceremonies or entertainment in Athens