expansive \expan"sive\ e^kspa^n"si^v, a. cf. f.
   expansif.
   1. having a capacity or tendency to expand or dilate;
      diffusive; of much expanse; wide-extending; as, the
      expansive force of heat; the expansive quality of air.
      wordnet sense 1
      1913 webster

            a more expansive and generous compassion. --eustace.
      1913 webster

            his forehead was broad and expansive. --prescott.

   2. causing expansion; as, the expansive force of heat.
      1913 webster +pjc

   3. of much expanse; wide-extending; as, an expansive view of
      the mountains.
      pjc

   4. friendly, open, and unrestrained in conversation or
      discourse; -- of people; as, wine made the guest
      expansive. wordnet sense 4

   syn: effusive, talkative.
        wordnet 1.5

   5. characterized by exaggerated feelings of euphoria and
      delusions of grandeur. wordnet sense 3
      wordnet 1.5 -- expan"sively, adv.
      -expan"siveness, n.
      1913 webster
see also:
expan"sively expan"siveness 

expansiveness \expansiveness\ n.
   1. a quality characterized by magnificence of scale; as, the
      expansiveness of their extravagant lifestyle was soon
      curtailed.
      wordnet 1.5

   2. a friendly open trait of a talkative person.

   syn: effusiveness.
        wordnet 1.5

expansiveness
     n 1: a quality characterized by magnificence of scale; "the
          expansiveness of their extravagant life style was soon
          curtailed"
     2: a friendly open trait of a talkative person syn: effusiveness
see also:
effusiveness