What is another word for "heighten"?

Roget's Thesaurus (1911) lists these synonyms for "heighten": accession, accretion, add, additional, advance, aggrandize, aggrandizement, aggravate, aggravating, aggravation, ahead, and, ascend, ascent, attollent, augment, augmentation, bad, buoy, capstan, convexity, crane, crescendo, deepen, derrick, deteriorate, development, dilatation, dilate, disperse, dispersion, drag, drawn, dredge, dredger, elevate, elevated, elevation, elevator, embitter.