Crossword clues for the word: MONISM The word MONISM has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for MONISM Showing 1 to 9 of 9 results Clue(s) Belief in one causal principle Belief in unity of origin. Belief that all things are made of a single substance Doctrine of one principle Doctrine that reality is one organic whole One-principle-for-everything theory Philosophy espousing a single reality Philosophy of oneness Single-reality philosophy