When it comes to synonyms for the word "Indorsee", there are very few options available. However, the word "Endorsee" is a popular and commonly used synonym for "Indorsee". These two terms have similar meanings, as both refer to a person who has received an endorsement or signature from another person. The term "Endorsee" is particularly used in legal documents and contracts, where it is common to find a third party who has the rights to a particular agreement. Other possible synonyms for "Indorsee" may include "recipient", "beneficiary", "awardee", and "grantee". However, none of these terms are exactly synonymous with "Indorsee", and the term "Endorsee" remains the most appropriate synonym for this concept.