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Use "initialing" in a sentence
"At the time, the two sides had indicated their agreement in principle by "initialing" the two protocols, the text of which was not published until August 31."
"These reports are likely not always well received, hence a comically exhaustive signing and initialing of paperwork to relieve Veridical of all blame."
"Yani, a 30-year-old who played his way into the tournament by winning three qualifying matches last week, was still signing autographs well after his opponent, Bernard Tomic, was pulled away from initialing giant tennis balls to give a television interview."