From Longman Dictionary of Contemporary Englishput/set pen to paperput/set pen to paperTCWRITEto begin to write → pen
Examples from the Corpus
put/set pen to paper• Good old-fashioned motives for putting pen to paper.• In February of 1942 and again in May of that year he had put pen to paper and logged his past.• I have put pen to paper sparingly, aware that pictures speak louder than words.• So if you are fun-loving and open-minded, put pen to paper.• So why not put pen to paper and win a wardrobe of fashions.• He then put pen to paper, and soon a stream of adjectives was flowing.• And striker Geoff Ferris is likely to put pen to paper for 12 months.• I had written a very fine book in my head before arriving, without setting pen to paper. 