1) Accentuate 2) Emphasise 3) Emphasize 4) Interject 5) Topicalize 1) Insert punctuation marks into 2) Interrupt periodically 3) Mark 4) To add punctuation to 5) To emphasize 6) To stress 
• (v. t.) To mark with points; to separate into sentences, clauses, etc., by points or stops which mark the proper pauses in expressing the meaning.
Punc'tu·ate transitive verb [ imperfect & past participle Punctuated ; present participle & verbal noun Punctuating .] [ Confer French ponctuer . See Punctual .] To mark with points; to separate into sentences, clauses, etc...
[v] - interrupt periodically 2. [v] - insert punctuation marks into