A philosophical or political approach that emphasizes discussion and dialogue as the primary method for resolving disagreements.
From discussion + -ism (a system or doctrine). The suffix -ism denotes an ideology or movement, making this an invented term reflecting 20th-century interest in dialogue-based resolution.
This word captures a real historical moment when thinkers believed talking things out was the solution to war and conflict—it gained traction after World War II when international forums like the UN emphasized discussion over military action.
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