Speculative /(spĕk"ū̇*lȧ*tĭv)/

Spec·u·la·tive

Speculative

a.
  1. Given to speculation; contemplative.
    The mind of man being by nature speculative.
  2. Involving, or formed by, speculation; ideal; theoretical; not established by demonstration.
  3. Of or pertaining to vision; also, prying; inquisitive; curious. [R.]
  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. More risky than typical investments; not investment grade. (Finance)