1. able to be discovered, determined, or established with certainty

Examples

• The exact cause of the accident is ascertainable through careful investigation.
• Her whereabouts at the time of the incident are easily ascertainable.
• The company’s true financial position is ascertainable from public records.
• Whether the treatment was effective is ascertainable only after several months.
• The age of the artifact is ascertainable using carbon dating methods.
• Facts that are ascertainable through research should be verified before publication.