The quality of being ascertainable.

One who, or that which, ascertains.

plural of ascertainer

In a way that can be ascertained.

The state or quality of being ascertainable.

To find out definitely; to discover or establish. / (obsolete) To make (someone) certain or confident about something; to inform. / (archaic) To establish, to prove. / (archaic) To ensure or effect.

simple past tense and past participle of ascertain

Able to be ascertained.

present participle of ascertain

The act of ascertaining.