Her look and manners were open, cheerful, and engaging as ever, but without any symptom of peculiar regard, and I remained convinced from the evening’s scrutiny, that though she received his attentions with pleasure, she did not invite them by any participation of sentiment.
There are no more uses of "scrutiny" in the book.
Show samples from other sources
She scrutinized her reflection in the mirror.
The senator asked the agency to scrutinize the proposed legislation and report back to her with their findings.