dilate
verb (used with object)
to make wider or larger; cause to expand.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The soul's irradiation and dilatability": "The secret of a great actor lies in his inborn capacity to let his soul ray out, and thereby enter into touch with his audience.
From Life and Writings of Maurice Maeterlinck by Jethro Bithell