1. extensive: covering a wide area or broad in scope a large house with expansive grounds
2. expanding: capable of, having a tendency to, or typically undergoing expansion polymers with expansive capability
3. with outstretched arms: with the arms stretched out and open wide an expansive gesture
4. lavish: generous, lavish, or extravagant in scale an expansive lifestyle
5. communicative: willing to talk openly and at some length, usually in a relaxed and jovial way He gradually became more expansive once he got to know us.
6. psychiatry having exaggerated feelings of self-worth: having or characterized by extreme feelings of euphoria and delusions of grandeur or self-importance
