Yes, PRAGMATISM is a Scrabble word!

Letter values in Scrabble US: P 3, R 1, A 1, G 2, M 3, A 1, T 1, I 1, S 1, M 3.

Is it a valid word?

PRAGMATISM is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

(philosophy) the doctrine that practical consequences are the criteria of knowledge and meaning and value
the attribute of accepting the facts of life and favoring practicality and literal truth