Synonyms see
see ▪ spot ▪ catch ▪ glimpse
These words all mean to become aware of somebody/​something by using your eyes, especially suddenly or when it is not easy to see them/​it.
see to become aware of somebody/​something by using your eyes:
She looked for him but couldn’t see him in the crowd.
He could see (that) she had been crying.
spot to see or notice somebody/​something, especially suddenly or when they are not easy to see or notice:
I’ve just spotted a mistake on the front cover.
catch to see or notice something for a moment, but not clearly or completely:
She caught sight of a car in the distance.
He caught a glimpse of himself in the mirror.
glimpse (literary) to see somebody/​something for a moment, but not clearly or completely:
He’d glimpsed her through the window as he passed.
Patterns
to see/​spot that/​how/​what/​where/​who…
to suddenly see/​spot/​glimpse somebody/​something