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.