the synonyms for expand are amazing.

aggrandize, amplify, augment, beef up, bloat, blow up, bolster, broaden, bulk up, detail, develop, diffuse, dilate, distend, elaborate, embellish, enlarge, explicate, fan out, fatten, fill out, grow, heighten, hike, hop up, increase, inflate, lengthen, magnify, mount, multiply, mushroom, open, open out, outspread, pad, piggyback, prolong, protract, puff up, pyramid, slap on, soup up, spread, spread out, stretch, stretch out, swell, tack on*, thicken, unfold, unfurl, unravel, unroll, upsurge, wax, widen.