fantasy, fantasies 1. Imagination; especially, when extravagant and unrestrained. 2. The forming of mental images; especially, wondrous or strange fancies; imaginative conceptualizing. 3. A mental image; especially, when unreal or fantastic; vision: 'She had a nightmare fantasy.' 4. In psychology, an imagined or conjured up sequence fulfilling a ps... Found on http://www.wordinfo.info/words/index/info/view_unit/1628/