noun
The application of whitewash.
(figuratively) The effacement of errors or bad actions.
(derogatory) The process of whitewashing, of making over (a person or character, a group, an event, etc) so that it is or seems more white (Caucasian), for example by applying makeup to a person, or by covering over the participation of non-whites in an event and focusing on only white participation.
verb
present participle and gerund of whitewash