assurance

noun
C1+
1
C1+
a statement that something will certainly be true or will certainly happen, particularly when there has been doubt about it
اطمینان, قول قطعی, ضمانت, تضمین, تعهد
synonym guarantee, promise
2
C1+
belief in your own abilities or strengths
اعتماد به نفس, ایمان به خود
There was an air of easy assurance about him.
It was good to see some of her old assurance coming back.
synonym confidence
3
a type of insurance in which money is paid out when somebody dies or after an agreed period of time
بیمه عمر, بیمه زندگی
a life assurance company
We bought a life assurance policy.