Examples:
San Fernando Road widened to four lanes through downtown Newhall.
I would have to widen the waistline by several inches to get the skirt over my hips.
As it approaches the sea, the river begins to widen (out).
His smile widened.
Widen your vision with panoramic lenses.
Why not widen the discussion to include other points of view?
Over the centuries, new devices continually widened the range of choice.
Mappings:
PropBank: widen.01
WordNet 3.0 Sense Numbers: 1, 2, 3, 4