To catch sight of; to perceive or judge from appearances — often used in phrases like "it appears that..."
会場の後ろの方に彼の姿を見受けた。
I caught sight of him near the back of the venue.
外見からは体調は良さそうに見受けられるが、本人は疲れていると言っていた。
From appearance he seems to be in good health, but he said he was tired.
面接の様子から有望な人材だと見受けられた。
From the interview, he appeared to be a promising candidate.