heighten
Cross references: 1. intensify height.en \'hi-t-*n\ \'hi-t-nin, -*n-in\ vb or height.en.ing 1a: to increase the amount or degree of : AUGMENT 1b: to make brighter or more intense : DEEPEN 1c: to bring out more strongly : point up 1d: to make more acute : SHARPEN 2a: to raise high or higher : ELEVATE 2b: to raise above the ordinary or trite obs 3: ELATE archaic 1: GROW, RISE 2a: to become great or greater in amount, degree, or extent 2b: to become brighter or more intense