From Longman Dictionary of Contemporary Englishas well somebody might/mayas well somebody might/mayformal used to say that there is a good reason for someone’s feelings or reactions Marilyn looked guilty, as well she might. → well
Examples from the Corpus
as well somebody might/may• Marilyn looked guilty when she saw me, as well she might.• And a deviant and mentally diseased species as well.• Microscopes caught the imagination, as well they might. 