Historical clue formulations

• Arouse — 2022-07-16
• Contrive — 2020-03-11
• Generate by dubious means — 2019-07-30
• Stimulate — 2018-12-30
• Enliven — 2018-02-20
• Excite — 2017-03-04
• Add zip to — 2013-12-27
• Make more exciting, in slang — 2004-02-20