LastPass - How Do I Set Up Master Password Recovery Options?
If you forget your Master Password, self-service recovery options are the quickest, easiest way to regain access to your LastPass Vault
You can set up any/all Master Password recovery options by following the linked instructions on LogMeIn's support page.
Please Note: Master Password recovery is not applicable for LastPass Enterprise accounts using NetID Login. Also, LastPass (LogMeIn) cannot recover/reset your Master Password.