A hearty greeting is a form of expression that conveys enthusiasm, warmth, and friendliness. It can be used to welcome someone or to express appreciation. The four crossword solutions for the term 'hearty greeting' are 'AHOY' (4 letters), 'Backslap' (8 letters), 'Bearhug' (7 letters), and 'Warmwelcome' (11 letters). 'AHOY' is an exclamation used to greet someone, usually in a jovial manner. 'Backslap' is a gesture of friendly affection where two people slap each other's backs. 'Bearhug' is a hug that is especially tight and affectionate. Finally, 'Warmwelcome' is a phrase used to express a warm and friendly welcome.