noun
assertion
uh-SUR-shun/əˈsɜːrʃn/
A firm declaration that a claim or right is valid.
The witness delivers a confident assertion in court.

Etymology
The underlying image is “joining oneself” to a view, thereby claiming or maintaining it. The noun names such a declaration: a statement presented as true, though not necessarily supported by evidence.
In context
she's making the assertion that Meline had been taken which is already conclusionary then calling on a divine witness by the inclusion of the word God
More examples
- The report repeats several untested assertions.
- Her refusal became an assertion of independence.
- A confident assertion is not proof.
Forms
assertion · assertions
assert verb — state confidently
Similar words
- claim
- Claim is general; assertion emphasizes stating something confidently as true.
- allegation
- An allegation often concerns unproven wrongdoing; an assertion can concern any subject.