Nevertheless, as the day for the Sillerton reception approached, May began to show a natural solicitude for his welfare, and to suggest a tennis match at the Chiverses’, or a sail on Julius Beaufort’s cutter, as a means of atoning for her temporary desertion.
There are no more uses of "atone" in the book.
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To atone for sins is a common religious theme.
Approved forms of faith, practice, and conduct were laid down as consistent with orthodoxy, and deviation from these standards had to be confessed and atoned for by a prescribed form of penance.
Dictionary of the History of Ideas -- http://etext.lib.virginia.edu/cgi-local/DHI/dhi.cgi?id=dv1-50(retrieved 05/20/06)