ascertain

About 4.81 uses per million words.

Meaning

1. verb To find out definitely; to discover or establish.

   As soon as we ascertain what the situation is, we can plan how to proceed.

2. verb To make (someone) certain or confident about something; to inform.
3. verb To look for something lost.
4. verb To establish, to prove.
5. verb To ensure or effect.

Similar words

see to it see evidence find out ensure demonstrate learn assure tell control

Often followed by

the whether what that if how their and its

Word family

ascertainable ascertained ascertaining ascertainment ascertainments ascertains