Imaginational is a word that describes the mental process or act of imagining. Synonyms for this word include imaginative, creative, visionary, inventive, and fanciful. Imaginative refers to someone who has the ability to come up with creative ideas and images. Creative, on the other hand, implies the use of imaginative or artistic skill to produce something original. Visionary suggests someone who has a far-reaching and original imagination. Inventive describes someone who has the skill or ability to create or originate something new and unique. Fanciful implies an imaginative, whimsical, or dreamy quality. All of these synonyms describe someone who has the ability to imagine and create in their mind.