Related Clues:

• Tchaikovsky heroine
• Symbol of grace
• Stately swimmer
•     Exemplar of grace
• Famous lake
• Former ugly duckling
• Epitome of grace
• Bird on a lake
• Zeus, in another form
• Cygnet's destiny
• '___ Lake'
• Erstwhile ugly duckling
• Ugly duckling, later on
• Cygnet's parent
• Graceful dive