use Assertion in a sentence
saying or stating something that you strongly believe;
It is important to note that his assertion is groundless.
Nobody will believe his assertion that he is innocent.
Each assertion you make in your essay should be supported by evidence and argumentation.
Despite her repeated assertions that she was innocent, everyone was sure she was guilty.
To support a positive assertion there must be sufficient evidence.
The suspect’s assertion of innocence was not accepted by the jury.
There are two major problems with his assertion.