This is the 3241st most frequent Japanese word.
定める
"To determine," "to decide," or "to establish."
In this sentence, "定める" is used in the sense of determining or setting clear rules or standards.
法律を作る際には明確な規則を定める必要があります。
When creating laws, it is necessary to establish clear regulations.
Here, "定める" conveys the meaning of specifying or designating the topics to be discussed.
会議録には開催日時が記録され、議題が定められている。
The minutes of the meeting record the date and time and outline the topics set.
In this example, "定める" is used in the sense of deciding or determining one's own fate.