To declare earnestly, seriously, or positively

To declare or affirm something as true despite strong opposition of argument

To state under oath, to plead

To state as a fact usually forcefully

State a fact or belief confidently and forcefully

State emphatically or publicly

To state as a fact usually forcefully

State positively and assertively

To convey in appropriate or telling terms

Express something definitely or clearly in speech or writing

Give assurance

To make a solemn declaration of intent

Assert or confess openly

To state as a fact usually forcefully

To make a declaration, or give evidence, under oath

Witness or certify formally

Give reasons or cite evidence in support of an idea, action, or theory, typically with the aim of persuading others to share one's view

Declare or announce in a formal or solemn way

To make a solemn declaration under oath for the purpose of establishing a fact

Say clearly, coherently

To make a solemn declaration of intent

To make a solemn declaration of intent

State or assert that something is the case, typically without providing evidence or proof

Pronounce authoritatively and legally to be the case

To make a pledge or guarantee

To make a claim

To express something in sounds or words