The term 'Is that __?' can be completed with the crossword solutions ALL, ANO, and AFACT. All is a pronoun used to refer to the whole of a group or quantity, and is often used to emphasize the entirety of something. ANO is an abbreviation for the word 'ANOTHER', which is used to refer to an additional person or thing. Finally, afact is an abbreviation for the phrase 'as a fact', which is used to emphasize that something is true.