The term 'Sign of Pleasure' can be represented by two crossword solutions: 'SMILE' (5 letters) and 'GRIN' (4 letters). A SMILE is a facial expression that is typically used to show happiness, joy, or amusement. It is usually formed by curving the corners of the mouth upwards and showing the teeth. A GRIN is similar to a SMILE, but it is usually broader and less intense. It is often used to express amusement, pleasure, or approval.