[verb] become more extreme; "The tension heightened" Synonyms:rise
[verb] make more extreme; raise in quantity, degree, or intensity; "heightened interest"
[verb] increase; "This will enhance your enjoyment"; "heighten the tension" Synonyms:enhance, raise
[verb] increase the height of; "The athletes kept jumping over the steadily heightened bars"
[verb] make (one's senses) more acute; "This drug will sharpen your vision" Synonyms:sharpen
[verb] make more intense, stronger, or more marked; "The efforts were intensified", "Her rudeness intensified his dislike for her"; "Potsmokers claim it heightens their awareness"; "This event only deepened my convictions" Synonyms:intensify, compound, deepen