groupthink
noun
group·think ˈgrüp-ˌthiŋk 
: a pattern of thought characterized by self-deception, forced manufacture of consent, and conformity to group values and ethics
Example Sentences
Recent Examples on the Web To be clear, if these funds end up voting in ways consistent with ESG or stakeholder theory, this is not likely to be the result of collusion but of groupthink, though the damage to the consumer will be the same. 
Andrew Stuttaford, National Review, 7 May 2022 Stuef hunted solo, never discussed his search with others, stayed away from the blogs after his initial looks at them, and tried hard not to get caught up in any groupthink. Daniel Barbarisi, Outside Online, 7 Dec. 2020 Does the White House see value in piercing the groupthink? Erik Wemple, Washington Post, 7 June 2022 Too many college classes foster ideological groupthink rather than the free exchange of ideas. WSJ, 15 Mar. 2022 Conservative pundits and politicians claim this chilling effect is intentional, with colleges overtly pushing liberal groupthink. Jennifer Miller, Washington Post, 16 Mar. 2022 Yet no such inquiry has occurred—at least not one that fully grapples with the shocking self-deception, pervasive misreading of events, and powerful groupthink that drove the longest war in American history. Jerry Brown, The New York Review of Books, 9 Mar. 2022 The idea that college campuses foster left-leaning groupthink and stifle free speech has been pushed in right-wing circles for years, including as a talking point on conservative news shows. Nicholas Reimann, Forbes, 8 Nov. 2021 The Writers Guild’s ‘Greatest Screenplays’ list shows the low standards of Hollywood’s reigning groupthink. Armond White, National Review, 15 Dec. 2021 See More
Andrew Stuttaford, National Review, 7 May 2022 Stuef hunted solo, never discussed his search with others, stayed away from the blogs after his initial looks at them, and tried hard not to get caught up in any groupthink. Daniel Barbarisi, Outside Online, 7 Dec. 2020 Does the White House see value in piercing the groupthink? Erik Wemple, Washington Post, 7 June 2022 Too many college classes foster ideological groupthink rather than the free exchange of ideas. WSJ, 15 Mar. 2022 Conservative pundits and politicians claim this chilling effect is intentional, with colleges overtly pushing liberal groupthink. Jennifer Miller, Washington Post, 16 Mar. 2022 Yet no such inquiry has occurred—at least not one that fully grapples with the shocking self-deception, pervasive misreading of events, and powerful groupthink that drove the longest war in American history. Jerry Brown, The New York Review of Books, 9 Mar. 2022 The idea that college campuses foster left-leaning groupthink and stifle free speech has been pushed in right-wing circles for years, including as a talking point on conservative news shows. Nicholas Reimann, Forbes, 8 Nov. 2021 The Writers Guild’s ‘Greatest Screenplays’ list shows the low standards of Hollywood’s reigning groupthink. Armond White, National Review, 15 Dec. 2021 See More Word History
Etymology
group entry 1 + -think (as in doublethink)
First Known Use
1952, in the meaning defined above