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1. Given to speculation; contemplative. The mind of man being by nature speculative. (hooker)

2. Involving, or formed by, speculation; ideal; theoretical; not established by demonstration.

3. Of or pertaining to vision; also, prying; inquisitive; curious.

4. Of or pertaining to speculation in land, goods, shares, etc.; as, a speculative dealer or enterprise. The speculative merchant exercises no one regular, established, or well-known branch of business. (A. Smith) Speculatively, Speculativeness.

Origin: Cf. F. Speculatif, L. Speculativus.