THESAURUS
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add to, adulterate, aggrandize, amplify, attenuate, augment, balloon, beef up, bloat, blow up, bolster, boost, branch, branch out, broaden, build, build up, bulk, bulk out, complete, crescendo, cut, deal in generalities, deepen, deploy, descant, detail, develop, dilate, dilute, discourse, disperse, distend, ecumenicize, elaborate, embellish, enlarge, enlarge upon, enter into detail, etherealize, evolve, exalt, expatiate, explicate, extend, fan, fan out, fatten, fill out, flare, generalize, globalize, go into, greaten, grow, heighten, hike, hike up, huff, increase, inflate, jack up, jump up, labor, lengthen, magnify, make a generalization, maximize, mount, multiply, mushroom, open, open up, outspread, outstretch, overgrow, overrun, parlay, particularize, prolong, protract, puff, puff up, pump, pump up, put up, pyramid, raise, ramify, rarefy, rehearse in extenso, relate at large, snowball, spell out, splay, spraddle, sprangle, sprawl, spread, spread like wildfire, spread out, stretch, subtilize, sufflate, swell, thicken, thin, thin out, tumefy, unfold, universalize, up, upsurge, vise, water, water down, wax, widen, work out
ROGET THESAURUS
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Diffuseness
VB
be diffuse, run out on, descant, expatiate, enlarge, dilate, amplify, expand, inflate, launch out, branch out, rant, maunder, prose, harp upon, dwell on, insist upon, digress, ramble, battre la campagne, beat about the bush, perorate, spin a long yarn, protract, spin out, swell out, draw out, battologize.
Expansion
VB
become larger &c (large), expand, widen, enlarge, extend, grow, increase, incrassate, swell, gather, fill out, deploy, take open order, dilate, stretch, distend, spread, mantle, wax, grow up, spring up, bud, bourgeon, shoot, sprout, germinate, put forth, vegetate, pullulate, open, burst forth, gain flesh, gather flesh, outgrow, spread like wildfire, overrun, be larger than, surpass, render larger &c (large), expand, spread, extend, aggrandize, distend, develop, amplify, spread out, widen, magnify, rarefy, inflate, puff, blow up, stuff, pad, cram, exaggerate, fatten,
become larger &c (large), expand, widen, enlarge, extend, grow, increase, incrassate, swell, gather, fill out, deploy, take open order, dilate, stretch, distend, spread, mantle, wax, grow up, spring up, bud, bourgeon, shoot, sprout, germinate, put forth, vegetate, pullulate, open, burst forth, gain flesh, gather flesh, outgrow, spread like wildfire, overrun, be larger than, surpass, render larger &c (large), expand, spread, extend, aggrandize, distend, develop, amplify, spread out, widen, magnify, rarefy, inflate, puff, blow up, stuff, pad, cram, exaggerate, fatten.
Thickness,
VB
be broad, become broad, render broad, expand, thicken, widen, calibrate.
Rarity
VB
rarefy, expand, dilate, subtilize.