Found:

• Macroparadigm
• Major categories: see Major category
• Major category
• Malapropism
• Mapping Principle
• Masking
• Mass noun
• Mass term: see Mass noun
• Material equivalence: see Equivalence
• Material implication: see Implication
• Max(A)
• Maximal chain: see Chain
• Maximal onset principle
• Maxims
• McGurk effect
• M-command: see C-command
• Meaning: see Extension and Intension, Denotation and Connotation, Meaning theories
• Meaning opposition: see Antonymy
• Meaning postulate
• Meaning theories
• Meaning theory: see Meaning theories
• Meaning-is-use-theory: see Meaning theories
• Melody tier
• Mentalistic theory: see Meaning theories
• Merge
• Merge-over-Move
• Meta language
• Metathesis
• Meta-variable
• Metrical phonology
• Metrical tree
• MGC: see Minimal Governing Category
• Minimal domain
• Minimal free form
• Minimal Governing Category
• Minimal Link Condition
• Minimal residue
• Minimal sign
• Minimalist program
• Minimality
• MIT-Icelandic
• MLC: see Minimal Link Condition
• Modal
• Modal logic
• Modal verb
• Model
• Model-theoretic semantics: see Model
• Modifier
• Modularity
• Modulation
• Monotone decreasing: see Downward monotonicity
• Monotone increasing: see Upward monotonicity
• Monotonicity
• Montague Grammar
• Mood
• Mora
• Morph
• Morpheme
• Morpheme Structure Condition (MSC)
• Morpheme-based morphology
• Morphemic Tier Hypothesis (MTH)
• Morpholexical rule
• Morphological component
• Morphological object
• Morphological Transformation Prohibition (MTP)
• Motor theory
• Move alpha
• Movement
• M-selection: see S-selection
• Multiple question
• Multiple wh-fronting
• Mutation
• Mutative: see Inchoative