Synonyms of intensifying

1 Syllable
whet, stress, boost, point, rise
2 Syllables
augment, sharpen, spike, lighten, quicken, accent, brighten, heighten, raise, deepen, rouse, strengthen, exalt, darken
3 Syllables
enhance, magnify, increase, redouble, reinforce
4 Syllables
summative, intensate, additory, progressive, escalate, concentrate, aggrandize, aggravate, accentuate, emphasize
5 Syllables
exacerbate, cumulative