The Oxford Thesaurus An A-Z Dictionary of Synonyms - attribute n.

1) quality, character, characteristic, property, feature, trait, virtue: It is surprising how soon historical personages become invested with romantic attributes. --v. 2) ascribe, impute, assign, put down to, trace to, charge, credit: The shrivelled arm of Richard the Third was attributed to witchcraft. To what do you attribute your interest in birds?