speculative

adjective | \ ˈspe-kyə-lə-tiv, -ˌlā- \ | spec·u·la·tive

1. : involving, based on, or constituting intellectual speculation; also : theoretical rather than demonstrable speculative medical testimony concerning the cause of death : theoretical rather than demonstrable speculative medical testimony concerning the cause of death

2. : of, relating to, or being a financial speculation speculative securities speculative home building