Definition of "Let" :
noun: a serve that strikes the net before falling into the receiver's court; the ball must be served again
noun: a brutal terrorist group active in Kashmir; fights against India with the goal of restoring Islamic rule of India
verb: cause to move; cause to be in a certain position or condition
"This let me in for a big surprise."
verb: leave unchanged
"Let it be."
verb: actively cause something to happen
"I let it be known that I was not interested."
verb: consent to, give permission
"I won't let the police search her basement."
verb: grant use or occupation of under a term of contract
verb: make it possible through a specific action or lack of action for something to happen