"expansive" in the adjective sense
1. expansive
able or tending to expand or characterized by expansion
"Expansive materials"
"the expansive force of fire"
2. 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"
3. expansive
marked by exaggerated feelings of euphoria and delusions of grandeur
4. expansive, talkative
friendly and open and willing to talk
"wine made the guest expansive"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License