Synonyms of 'punctuate'
The silence was punctuated by the distant rumble of traffic.
Moore smiled to punctuate the irony of his comment.
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To accentuate something means to emphasize it or make it more noticeable.
His shaven head accentuates his large round face.
Thesaurus for punctuate from the Collins English Thesaurus
If an activity or situation is punctuated by particular things, it is interrupted by them at intervals.