also: ぜんする
suru verb (special), transitive verb
A somewhat formal or literary transitive suru verb for choosing or selecting something. In everyday speech, 選ぶ (えらぶ) is far more common.
委員長は適任者を選する責任がある。
The committee chair has the responsibility to select a suitable person.
候補者の中から一人を選する。
Choose one person from among the candidates.