The crossword solution for the term 'Truce Word' is 'UNCLE'. The term 'UNCLE' is a term of endearment used to refer to an older male relative, usually an UNCLE or grandfather. It is also used as a term of respect when addressing an elder or someone in authority. In the context of a truce, it is a word of peace and understanding between two parties, signifying that they are willing to put aside their differences and come to an agreement.