distend

blow up, dilate, inflate

accelerate, add (to), aggrandize, amplify, augment, boost, build up, compound, enlarge, escalate, expand, extend, hype, increase, multiply, pump up, raise, swell, stoke, supersize, up

boom, jump, skyrocket, spike

bump (up), ratchet (up) also rachet (up)

draw out, elongate, flesh (out), lengthen, prolong, protract, stretch

develop, enhance, heighten, intensify, magnify

complement, supplement

beef (up), reinforce (also reenforce), strengthen

maximize

accumulate, amass, collect

follow up, parlay