The crossword solutions for the term 'EUREKA! RELATIVES' are AHS, which stands for aunts, uncles, and siblings. This term is used to refer to the immediate family members of an individual, such as their parents, grandparents, and any brothers or sisters they may have. The phrase 'Eureka!' is often used to express joy or excitement when something is discovered or realized. Therefore, this term can be used to describe the feeling of joy and excitement that comes with having close family members.