List of widening synonyms and widening related words.
access, accession, accretion, accrual, accruement, accumulation, addition, adjunct, advance, aggrandizement, ampliation, amplification, appreciation, ascent, augmentation, ballooning, bloating, boom, boost, broadening, buildup, crescendo, deployment, development, dispersion, edema, elevation, enlargement, expansion, extension, fanning out, flare, flood, gain, greatening, growth, gush, hike, hiking, increase, increment, inflation, jump, leap, magnification, mounting, multiplication, productiveness, proliferation, raise, raising, rise, snowballing, splay, spread, spreading, surge, swelling, tumescence, up, upping, upsurge, upswing, uptrend, upturn, waxing