Appear to be

SEEM

It’s a verb that suggests something gives the impression of being true.

The clue "Appear to be" is a straightforward definition hinting at a word that means giving the impression of something without stating it outright. "Seem" fits perfectly because it directly conveys that idea—like when you say "She seems tired" instead of "She is tired." There’s no hidden wordplay here; it’s a simple, direct match between the clue and the answer.