Search Result for "widening": 
Wordnet 3.0

NOUN (3)

1. an increase in width;
[syn: widening, broadening]

2. a part of a road that has been widened to allow cars to pass or park;
[syn: turnout, widening]

3. the act of making something wider;
[syn: widening, broadening]

The Collaborative International Dictionary of English v.0.48:

Widen \Wid"en\, v. t. [imp. & p. p. Widened; p. pr. & vb. n. Widening.] To make wide or wider; to extend in breadth; to increase the width of; as, to widen a field; to widen a breach; to widen a stocking. [1913 Webster]
WordNet (r) 3.0 (2006):

widening n 1: an increase in width [syn: widening, broadening] [ant: narrowing] 2: a part of a road that has been widened to allow cars to pass or park [syn: turnout, widening] 3: the act of making something wider [syn: widening, broadening] [ant: narrowing]
Moby Thesaurus II by Grady Ward, 1.0:

66 Moby Thesaurus words for "widening": 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