Widen (verb)

1. To make or become wider.
2. To increase in scope or range.

Origin:

Late 16th century: from wide + -en.

Examples:

1. The road is widened to accommodate more traffic.
2. He widened his eyes in surprise.
3. She widened her smile.
4. The company widened its market to include new customers.
5. The search was widened to include more suspects.