たすうけつ多数決tasuuketsu
1.

A method of decision-making in which the option that receives the most support from participants is selected, typically used in group settings such as meetings or discussions.

2.

A voting process that determines outcomes based on the preference of the larger portion of a group, often disregarding minority opinions and emphasizing the dominance of the majority viewpoint.

3.

A democratic approach to resolving disagreements, where the ideas or proposals that gain the most votes are accepted as the collective decision of the group.

Example:

多数決原理が民主主義の根本原則だ。