D defs.my
Entry 5 senses Webster, 1913

Speculative

/(spĕk"ū̇*lȧ*tĭv)/ · Spec·u·la·tive · IPA /ˈspɛkjuləˌtɪv/
01 a. Given to speculation; contemplative.
  1. 1.
    Given to speculation; contemplative.
    “The mind of man being by nature speculative.” Hooker.
  2. 2.
    Involving, or formed by, speculation; ideal; theoretical; not established by demonstration.
  3. 3.
    Of or pertaining to vision; also, prying; inquisitive; curious.[R.]
  4. 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.
  5. 5.
    More risky than typical investments; not investment grade.(Finance)