Assert as a fact is an expression used to describe the act of confidently and strongly stating something as true. The term can be broken down into two words, 'ASSERT' and 'as a fact'. The word 'ASSERT' is derived from the Latin verb 'asserre', which means to affirm or declare. The phrase 'as a fact' is used to emphasize that the statement is true and not just an opinion. The crossword solutions for the term ASSERT as a fact are AVER (4 letters) and POSIT (5 letters). AVER is a verb meaning to state positively or confidently, while POSIT is a verb meaning to put forward or suggest.