Clearance refers to the act of removing obstacles or obstacles to make an area free or accessible. Synonyms for clearance include permission, authorization, leave, allowance, approval, sanction, ratification, agreement, endorsement, and consent. Other synonyms include acknowledgment, recognition, acceptance, validation, affirmation, attestation, certification, and verification. Clearance can also refer to a sale or discount on a product, making it more affordable. In this context, synonyms for clearance include markdown, reduction, discount, bargain, deal, and steal. Overall, clearance has a variety of meanings, and there are many synonyms that can be used to convey similar messages.