Related Clues:

• Singer needs one in support
• Book, in current state, providing foundation
• Underpinnings
• One getting into fish to find fundamental ingredient
• One's following graduate's groundwork
• Fish caught round island provides fundamental ingredient
• Fundamental ingredient found by one in the deep
• Groundwork by graduate with half-sister
• Assumption that a place of business is unfinished
• Assumption that building had not been completed
• In a singer, ego is fundamental
• Groundwork of book unaltered
• Foundation is backing graduates
• Groundwork done by graduates one's completed
• Destruction of empires, from which one may draw certain conclusions