asseveration
/əˌsɛvəˈreɪʃən/
noun
The solemn or emphatic declaration or statement of something.
I fear that you offer only unsupported asseveration
claim,assertion,declaration,statement,proclamation,contention,argument,affirmation,averment,avowal,attestation,testimony,certification,evidence,witness,charge,accusation,suggestion,implication,hint,insinuation,indication,intimation,imputation,plea,pretence,profession