PUNCTUATE
punctuate, mark
(verb) insert punctuation marks into
punctuate
(verb) interrupt periodically; “Her sharp questions punctuated the speaker’s drone”
stress, emphasize, emphasise, punctuate, accent, accentuate
(verb) to stress, single out as important; “Dr. Jones emphasizes exercise in addition to a change in diet”
Source: WordNet® 3.1
Etymology
Verb
punctuate (third-person singular simple present punctuates, present participle punctuating, simple past and past participle punctuated)
(transitive) To add punctuation to.
(transitive) To add or to interrupt at regular intervals.
(transitive) To emphasize; to stress.
Source: Wiktionary
Punc"tu*ate, v. t. [imp. & p. p. Punctuated; p. pr. & vb. n.
Punctuating.] Etym: [Cf. F. ponctuer. See Punctual.]
Definition: To mark with points; to separate into sentences, clauses, etc.,
by points or stops which mark the proper pauses in expressing the
meaning.
Source: Webster’s Unabridged Dictionary 1913 Edition