The term 'Hall of Famer, by definition' refers to an individual who has been inducted into a hall of fame. This is usually done in recognition of their outstanding achievements in a particular field or profession. The crossword solution for this term is 'enshrinee, ' which is an individual who has been enshrined in a hall of fame. This is typically done as a way to honor and recognize the individual's accomplishments and contributions to their field or profession.