Definition of heighten :
1. To carry forward; to advance; to increase; to augment; to aggravate; to intensify; to render more conspicuous; - used of things, good or bad; as, to heighten beauty; to heighten a flavor or a tint.
2. To make high; to raise higher; to elevate.
focalise, evoke, rise up, promote, climb up, farm, originate, focus, enhance, fire, ascend, resurrect, invoke, uprise, step up, stand up, put up, nurture, jump, arise, point, elicit, spring up, taper, bring up, prove, call down, kindle, turn out, recruit, develop, put forward, provoke, enkindle, get up, stir, conjure, move up, leaven, surface, wax, arouse, call forth, set up, go up, come up, compound, mount, levy, combine, conjure up, rebel, produce, climb, parent, aggravate, kick upstairs, focalize, change
elevate (part of speech: verb)
increase (part of speech: verb)
broaden, grow, raise, lengthen, upgrade, boost, advance, extend, multiply, redouble, reinforce, elevate, fatten, burgeon, accrue, increment, amplify, maximize, expand, augment, enlarge, widen, add, strengthen, inflate
intensify (part of speech: verb)
heighten (part of speech: verb)
- The bed had no appearance of having being slept in, and every moment served to heighten and confirm her apprehensions. - "A Sicilian Romance", Ann Radcliffe.
- After the feeling had come to her, to heighten the sensation she espied a little card hung under the small mirror on the wall. - "You Never Know Your Luck, Complete Being The Story Of A Matrimonial Deserter", Gilbert Parker Last Updated: March 14, 2009.
- The pathos of the closing scene where Strafford is discovered in The Tower, sitting with his children, is theatrical pathos of the most correct kind, and each little speech of little William and little Anne is uttered as much for the audience as for their father, implying in every word " See, how we, poor innocents, heighten the pity of it." - "Robert Browning", Edward Dowden.