Speculative1. (a.) Given to speculation; contemplative.
2. (a.) Involving, or formed by, speculation; ideal; theoretical; not established by demonstration.
3. (a.) of or pertaining to vision; also, prying; inquisitive; curious.
4. (a.) of or pertaining to speculation in land, goods, shares, etc.; as, a speculative dealer or enterprise.
Thesaurus Entries
abstract, academic, adventurous, aleatory, analytical, arguable, armchair, at issue, chancy, closet, cogitative, cognitive, concentrating, concentrative, conceptive, conceptual, conceptualized, confutable, conjectural, contemplating, contemplative, contestable, controversial, controvertible, curious, debatable, deliberating, deliberative, deniable, dicey, disputable, doubtable, doubtful, dubious, dubitable, excogitating, full of risk, hazardous, hypothetic, hypothetical, ideal, idealistic, idealized, ideational, ideative, iffy, impractical, in dispute, in doubt, in dubio, in question, inquiring, intellectual, introspective, meditating, meditative, mental, mistakable, moot, museful, musing, noetic, notional, open to doubt, open to question, pensive, pondering, postulatory, prehensive, problematic, questionable, questioning, ratiocinative, rational, reflecting, reflective, refutable, riskful, risky, ruminant, ruminating, ruminative, serious, sober, suppositional, supposititious, suppositive, suspect, suspicious, theoretical, thinking, thought, thoughtful, uncertain, unpractical, unproved, unproven, unrealistic, unreliable, untested, untrustworthy, venturesome, venturous, wildcat, wistful