TURN UP

verb Date: 1563 transitive verb find , discover , to raise or increase by or as if by turning a control , 3. British to look up (as a word or fact) in a book, to refer to or consult (a book), to turn (a card) face upward, intransitive verb to appear or come to light unexpectedly or after being lost , 2. a. to turn out to be , appear 4 , to arrive or show up at an appointed or expected time or place , to happen or occur unexpectedly , tack 1b