起き立りつ

noun, noun or participle which takes 'suru', intransitive verb

standing up; rising to one's feet

Formal or ceremonial act of standing, often used in schools, meetings, or official settings. Commonly used as a command or in the phrase 起立する.

• 先せん生せいが教きょう室しつに入はいると、生せい徒とたちは起き立りつした。

  When the teacher entered the classroom, the students stood up.