enhance
en-HANSverbMeaning to improve the quality, value or appeal of
Memory hook en-HANS: Hans adds the cherry on top. The sundae is already good, but Hans adds whipped cream and a cherry on top. Little touches like that enhance it.
A pinch of salt will enhance the sweetness of the caramel.
In context The old photographs were faded and blurry, so the museum used careful scanning to enhance them; now visitors can read the shop signs in the background.
Similar improve, boost, heighten, strengthen
Opposite diminish, reduce, worsen
From Old French enhaucier, “to raise,” based on Latin altus, high.