daydream
short-term detachment from one's immediate surroundings, during which a person's contact with reality is blurred and partially substituted by a visionary fantasy
en-US/ˈdeɪˌdɹim/
en-GB/ˈdeɪdɹiːm/
short-term detachment from one's immediate surroundings, during which a person's contact with reality is blurred and partially substituted by a visionary fantasy