heighten

Make (one's senses) more acute.

Make more intense, stronger, or more marked.

“Pot smokers claim it heightens their awareness”

Become more extreme.

“The tension heightened”

Increase.

“heighten the tension”

Increase the height of.

“The athletes kept jumping over the steadily heightened bars”

Make more extreme; raise in quantity, degree, or intensity.

“heightened interest”