meaningful

meaningful
    adj 1: having a meaning or purpose; "a meaningful explanation";
           "a meaningful discussion"; "a meaningful pause" [ant:
           {meaningless}, {nonmeaningful}]
    

meaningful \meaningful\ adj.
   Having a meaning or purpose; having significance; as, a
   meaningful explanation; a meaningful discussion; a meaningful
   pause; to live a meaningful life. Opposite of {meaningless}.
   [Narrower terms: {comprehensible, understandable};
    

101 Moby Thesaurus words for "meaningful":
      allegorical, associational, augural, big, connotational,
      connotative, consequential, considerable, deep, definable,
      demonstrative, denominative, denotational, denotative, designative,
      diagnostic, eloquent, emblematic, evidential, exhibitive,
      expressive, extended, extensional, facund, figural, figurative,
      forerunning, foreshadowing, foreshowing, foretokening, forewarning,
      full of meaning, full of point, full of substance, graphic,
      heavy with meaning, identifying, ideographic, idiosyncratic,
      imaginative, implicative, important, indicating, indicative,
      indicatory, individual, intelligible, intensional, interpretable,
      intuitive, material, meaning, meaty, metaphorical, momentous,
      monitory, naming, pathognomonic, peculiar, pithy, pointed,
      precursive, precursory, predictive, prefigurative, pregnant,
      preindicative, premonitory, presageful, presaging, prognostic,
      prognosticative, readable, referential, relevant, representative,
      rich, semantic, semiotic, sententious, serious, signalizing,
      significant, significative, signifying, sober, substantial,
      substantive, suggestive, symbolic, symbolistic, symbological,
      symptomatic, symptomatologic, telling, transferred, typical, valid,
      vivid, warning, weighty