Answer: superstition

AnswerCrossword Clue
SUPERSTITION[See blurb]
superstitionA widely held but unjustified belief in supernatural causation leading to certain consequences of an action or event, or a practice based on such a belief
superstitionfalse worship or religion; an ignorant and irrational belief in supernatural agency
superstitionExcessively credulous belief in and reverence for supernatural beings