dilate
verb (used with object)
to make wider or larger; cause to expand.
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I am dilating upon all this too much, perhaps.
From Autobiography and Letters of Orville Dewey, D.D. Edited by his Daughter by Mary Elizabeth Dewey