Source : Webster's Revised Unabridged Dictionary (1913)

Expansive \Ex*pan"sive\, a. [Cf. F. expansif.]
   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.

         A more expansive and generous compassion. --Eustace.

         His forehead was broad and expansive.    --Prescott.
   -- {Ex*pan"sive*ly}, adv. -{Ex*pan"sive*ness}, n.

Source : WordNet®

expansively
     adv 1: in an impressively expansive manner; "she managed to live
            rather expansively on her modest income"
     2: in an ebullient manner; "Khrushchev ebulliently promised to
        supply rockets for the protection of Cuba against American
        aggression" [syn: {ebulliently}, {exuberantly}]