The crossword solution for Israel's Abba is EBAN, which is the surname of Abba Eban, an Israeli diplomat and politician. He was a member of the Mapai party and served as Israel's Foreign Minister from 1966 to 1974. He was also Deputy Prime Minister from 1969 to 1974 and was a Knesset member from 1950 to 1974. He was known for his eloquence and oratorical skills, and was one of the most influential figures in Israeli politics.