General:
* Span: This implies covering the entire width.
* Encompass: This suggests encompassing the entire width within a larger whole.
* Extend to the full width: This is straightforward and clear.
* Stretch across: This implies a horizontal extension across the entire width.
* Embracing the full width: This implies a sense of inclusiveness, embracing the entire width.
More specific:
* Widen: This suggests increasing the width to its fullest extent.
* Broaden: This implies a similar meaning to "widen", but with a focus on making something more comprehensive.
* Expand: This implies growth or development to reach the fullest width.
Figurative:
* Embrace: This suggests accepting and encompassing the entire width, in a metaphorical sense.
* Span the breadth: This implies covering the entire range or scope, in a metaphorical sense.
The best word to use will depend on the specific context and the nuance you want to convey.