punctuate
verb (used with object)
to mark or divide (something written) with punctuation marks in order to make the meaning clear.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He had been punctuating all he said with his fingers, and now, with a final snap of arms and a shrug of shoulders, he looked up in keen triumph at his companion.
From The Title Market by J. H. Gardner Soper