“Be for real!” Crossword Clue

 The answer to the crossword clue "Be for real!" can be either REAL or SURE.

The word "real" can be used as an adjective to mean "genuine" or "authentic". It can also be used as an interjection to express disbelief or surprise. In the context of the crossword clue, it is likely being used as an interjection.

The word "sure" can also be used as an interjection to express agreement or certainty. It can also be used as an adjective to mean "certain" or "undoubtedly". In the context of the crossword clue, it is likely being used as an adjective.

The best answer will depend on the specific crossword puzzle. If the clue is asking for a word that means "genuine" or "authentic", then the answer is "real". If the clue is asking for a word that means "certain" or "undoubtedly", then the answer is "sure".

I hope this helps! Let me know if you have any other questions.