intervention

noun

procedure to allow a nonparty to join ongoing litigation
use of force by one country or sovereign state in the internal or external affairs of another
orchestrated attempt to get someone to seek help with an addiction or other problem
to get involved or interfere

Pronunciation: /ɪntɚˈvɛnʃən/ / /ɪntəˈvɛnʃən/

Etymology: From Middle French intervention, from Latin interventiō. Morphologically intervene + -tion.

The action of intervening; interfering in some course of events.
“Fernando Torres was recalled in place of the suspended Didier Drogba and he was only denied a goal in the opening seconds by Laurent Koscielny's intervention - a moment that set the tone for game filled with attacking quality and littered with errors.”
A legal motion through which a person or entity who has not been named as a party to a case seeks to have the court order that they be made a party.
An orchestrated attempt to convince somebody with an addiction or other psychological problem to seek professional help and/or change their behavior.
An action taken or procedure performed; an operation.
“As I showed, although some rhetoricians, such as Mesmer and Erb, claimed that their interventions were medical treatments, others, such as Freud and Jung, claimed that their interventions were both medical curings and spiritual carings.”
““It goes with my mantra of there is ‘no magic pill’ to prevent cognitive decline,” said Isaacson, who was not involved in the new study. “At my clinic, we check nutritional blood measures and personally tailor interventions, and in doing so we don’t tend to recommend multivitamins since we address the individual deficiencies.””