n.person of the same class/cohort, colleague who joined at the same time
Mnemonic
sameOur tongues are the same length.promise, scheduleKeeping your promises is key to success.
Accepted Answers
동기cohortperson of same classperson of same cohortperson of the same classperson of the same cohortcolleague who joined at same timecolleague who joined at the same time