#1 expansive a. able or tending to expand or characterized by expansion; "Expansive materials"; "the expansive force of fire". wn
#2 expansive s. [grand, heroic] of behavior that is impressive and ambitious in scale or scope; "an expansive lifestyle"; "in the grand manner"; "collecting on a grand scale"; "heroic undertakings". wn
#3 expansive s. marked by exaggerated feelings of euphoria and delusions of grandeur. wn
#4 expansive s. [talkative] friendly and open and willing to talk; "wine made the guest expansive". wn
vizzz