Determinability refers to the quality or capacity of being able to determine or establish a fact or truth. Synonyms for determinability include conclusiveness, ascertainability, verifiability, and decisiveness. Conclusiveness implies a final and irrefutable determination, while ascertainability refers to the ability to discover or realize the truth of something. Verifiability implies that something can be confirmed through investigation, evidence, or analysis, while decisiveness connotes a definitive and clear result or conclusion. Other synonyms for determinability include establishment, confirmation, validation, and resolution. In any context, the ability to determine or establish a fact or truth is crucial for decision-making, problem-solving, and progress.