1. Ichidan verb, Transitive verb

   1.

   to make sure; to check; to ascertain; to confirm

Example sentences

• 地図は自分の位置を確かめるのに役立った。

  The map helped me to orient myself.

• 父は寝る前に、電気が全部消えているのを確かめる。

  Father makes sure that all the lights are off before he goes to bed.