Synonyms:
size_up, take_stock, scrutinize, scrutinise
Meaning: to look at critically or searchingly, or in minute detail; "he scrutinized his likeness in the mirror"
Usage examples
"Don't scrutinize my foot too closely, Lily."
I leaned forward in my seat to scrutinize the female--hoping against hope that she might prove to be another than Dian the Beautiful.
He would hold a piece on his fork to the light, scrutinize it microscopically, and only after long deliberation decide to put it in his mouth.