Synonyms and related words :
assignment, busywork, chalk talk, chare, charge, chore, commission, discourse, disquisition, duty, errand, exercise, exposition, fish to fry, harangue, homily, instruction, job, job of work, labor, lecture, lecture-demonstration, lesson, make-work, matters in hand, mission, moral, moral lesson, morality, moralization, object lesson, odd job, piece of work, preachment, project, recital, recitation, sermon, service, set task, skull session, stint, talk, task, teaching, things to do, work