An advocate or a student of instrumentalism.(noun)
Of, relating to, or advocating instrumentalism.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "instrumentalist" in a sentence
"In the same way as Leadbelly and Woody Guthrie documented their era in the early 20th century with their songs, the instrumentalist is the torchbearer of a centuries-old tradition in the virtually unwritten Arabic music culture."
""You would think that science and technology were the only things that are important," he said, adding that this government and its predecessor were "instrumentalist"."
"Williams — from the 'instrumentalist' Aristotelian who reduces ethics to what Grice would have called entirely 'natural meanings' (p. 180 n. 2)."