ascertainable.

Possible to find out with sufficient checking or evidence.

Use it for

Words that belong together

• ascertainable facts
• readily ascertainable

On the page

The date of construction was ascertainable from the surviving accounts.

Usage notes

Primary category: academic / formal. Forms: Normally non-gradable; no ordinary comparative or superlative. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: evidence. Commonness: uncommon.