Idea
Idea noun - Something imagined or pictured in the mind.
Imagination
Imagination noun - The ability to form mental images of things that either are not physically present or have never been conceived or created by others.
Idea is a synonym for imagination in unreality topic. You can use "Idea" instead a noun "Imagination", if it concerns topics such as guess, concept.
Mutual synonyms
How words are described
Cite this Source
Imagination and Idea. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/idea/imagination
Idea & Imagination. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/idea/imagination>.
Imagination or Idea. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/idea/imagination.
Google Ngram Viewer shows how "idea" and "imagination" have occurred on timeline