From The Collaborative International Dictionary of English v.0.48:
Extensive \Ex*ten"sive\, a. [L. extensivus: cf. F. extensif. See
Extend.]
1. Having wide extent; of much superficial extent; expanded;
large; broad; wide; comprehensive; as, an extensive farm;
an extensive lake; an extensive sphere of operations;
extensive benevolence; extensive greatness.
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2. Capable of being extended. [Obs.]
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Silver beaters choose the finest coin, as that which
is most extensive under the hammer. --Boyle.
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