Synonyms of the word

tentative

• n. A trial; an experiment.
• adj. Of or pertaining to a trial or trials; essaying; experimental.
• adj. Uncertain; subject to future change.

conditional

• n. (grammar) A conditional sentence; a statement that depends on a condition being true or false.
• n. (grammar) The conditional mood.
• n. (logic) A statement that one sentence is true if another is.
• n. (programming) An instruction that branches depending on the truth of a condition at that point.
• n. (obsolete) A limitation.
• adj. Limited by a condition.
• adj. (logic) Stating that one sentence is true if another is.
• adj. (grammar) Expressing a condition or supposition.

doubtful

• adj. Subject to, or causing doubt.
• adj. Experiencing or showing doubt, sceptical.
• adj. Undecided or of uncertain outcome.
• adj. (obsolete) Fearsome, dreadful.
• adj. Improbable or unlikely.
• adj. Suspicious, or of dubious character.
• adj. Unclear or unreliable.
• n. A doubtful person or thing.

probationary

• adj. Of, pertaining to, or subject to probation.

provisional

• adj. Temporary, but with the intention of eventually becoming permanent or being replaced by a permanent equivalent.
• n. (philately) A postage stamp issued locally before an official issue is released.

provisionary

• adj. provisional.

unsettled

• adj. Disturbed, upset.
• adj. Not in a steady condition, uncertain, subject to change.
• adj. Not populated, having no settlers or other inhabitants.
• adj. Unpaid.
• v. simple past tense and past participle of unsettle.