Fatuous reverie is a term often used to describe a foolish or unrealistic daydream. There are several other synonyms that convey a similar meaning, such as idle fancy, silly notion, and pipe dream. Other words that can be used to describe a wasted and pointless daydream include delusion, fantasy, and whimsy. Additionally, the term "wishful thinking" is often used to describe a misguided belief or impractical hope. Ultimately, all of these words imply a state of mind where thoughts and desires are disconnected from reality and serve no useful purpose. Individuals who are prone to fatuous reverie often need to be reminded to focus on practical goals and realistic expectations.