dream
1: a series of thoughts, images, or emotions occurring during sleep — compare rem sleep
2: an experience of waking life having the characteristics of a dream: asa : a visionary creation of the imagination : daydreamb : a state of mind marked by abstraction or release from reality : reveriec : an object seen in a dreamlike state : vision
3: something notable for its beauty, excellence, or enjoyable quality <the new car is a dreamto operate>
4a : a strongly desired goal or purpose <a dream of becoming president>b : something that fully satisfies a wish : ideal <a meal that was a gourmet's dream>