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Webster 1913 Edition

Adj.

Of or belonging to points of division; relating to punctuation.

The

punctuative

intonation of feeble cadence.

Rush.

punctuative ‎(comparative more punctuative, superlative most punctuative)

Suggesting or pertaining to punctuation.
- 2009 September 13, Kirk Semple, “Giving Ramadan a Drumroll in Brooklyn at 4 A.M.”, in New York Times:
  After about 20 seconds, he ended his performance with a punctuative smack of the taut drum heads.