cause
How to Use Cause
Learner’s notesIn plain EnglishThe reason something happens (noun), or to make something happen (verb); also, a purpose or movement worth supporting.
Word Forms
caused past tense, causes plural, cause plural, caused plural, causes singular, cause singular, caused singular, causest singular, causedst singular, causeth singular
Fill the Gap
Can you complete this real example?
Investigators are still searching for the _____ of the fire.
Etymology
From Old French cause, from Latin causa ("reason, motive"), of unknown deeper origin — a doublet of the legal term "chose."