heighten

verb

1. To make high; to raise higher; to elevate.

   “Black Bridge, near Machynlleth, is being heightened by one metre in a £3.6 million project to reduce delays caused by flooding.”

2. To advance, increase, augment, make larger, more intense, stronger etc.

   “to heighten beauty”

   “to heighten a flavor or a tint”

   “to heighten awareness”

   “to heighten tension”

   “the excitement heightened”