manipulation
noun
[ məˌnɪpjʊˈleɪʃ(ə)n ]
• the action of manipulating something in a skilful manner.
• "the format allows fast picture manipulation"
• the action of manipulating someone in a clever or unscrupulous way.
• "there was no deliberate manipulation of visitors' emotions"
Origin:
early 18th century: from French, from Latin manipulus ‘handful’.