expansive -- (able or tending to expand or characterized by expansion; "Expansive materials"; "the expansive force of fire")
expansive, 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")
expansive -- (marked by exaggerated feelings of euphoria and delusions of grandeur)
expansive, talkative -- (friendly and open and willing to talk; "wine made the guest expansive")
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