Converting nouns or Adjectives into verbs using '-ate'

By using a clear and interesting speaking voice, the performer was able to (a)   the listeners.

The new customer had to pay money to start up an account and (a)   his service.

Sometimes we need rewards to (a)   ourselves.

The twins use their own language to (a)   , one that even their own parents don’t understand.

Should we perform surgery or (a)   to treat the disease?

You could (a)   the trousers to make them more comfortable.

When writing the number 23 in words, people will need to (a)   this number word as twenty-three.

The restaurant owner hesitates to change his menu because he does not want to (a)   his regular customers.

If you want to (a)   an answer to a maths problem, you can check by performing the inverse operation.