Synonyms for "suggested itself" include "came to mind," "occurred to me," "sprang up," "popped into my head," "crossed my mind," and "presented itself." These phrases all convey the idea that an idea or solution has manifested itself without deliberate effort or conscious thought. They suggest a sense of intuition or inspiration that leads to a realization or suggestion. Whether used in creative writing, brainstorming sessions, or everyday conversation, these phrases can help express moments of revelation and spark further exploration and collaboration.