An idea is a concept, thought, or mental impression emanating from an intellectual function. Synonyms for “idea” are numerous and include notions, concepts, thoughts, beliefs, and impressions.
Synonyms for Idea
- Concept
- Notion
- Thought
- Belief
- Impression
Definition & Meaning for Idea
The term ‘idea’ refers to a formulated thought or opinion, a plan for action, or an impression formed in the mind. It encompasses creative notions and mental images.
Another Word for Idea in a Sentence
Looking for another way to say “idea”? Try using “concept”: “Her innovative concept transformed the project.”

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