Crossword clues for the word: LOGICIAN The word LOGICIAN has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for LOGICIAN Showing 1 to 9 of 9 results Clue(s) "Holmes, for one" "If ... then" sort of thinker "Spock, notably" Mr. Spock was one Pro at sound reasoning Reasonable person? Stands to reason spies join the network for cover Straight thinker Syllogist, e.g.