確かく言げん

noun, noun or participle which takes 'suru', intransitive verb

assertion; declaration; confirmation

A firm statement or declaration, often used when someone states something with certainty. Can be used as a noun or with する to mean 'to assert' or 'to declare'.

• 彼かれは自じ分ぶんの無む実じつを確かく言げんした。

  He asserted his innocence.

• その事じ実じつについて確かく言げんできる人ひとはいない。

  No one can confirm that fact with certainty.