The use of a tie is not compulsory although it is required during formal activities and events.

Brings together and coordinates all formal educational activities carried out at AMA.

There are no formal joint activities between the two schools, but many children in each school have siblings at the other school.

That's perhaps the only human activity formal enough.

His formal activity to benefit all sentient beings is destined to occur in seven lives, each with his own prophecy.

Manet painted the upper class enjoying more formal social activities.

Consultation rooms are also available for student study when not reserved for formal instructional activities.

The formal activities of the faculty organized in eight departments commenced in 2009.

The formal activities were over for the night, although people continued to sing and dance.

Katharevousa was widely used in public documents and whatever was conceived as work of formal activity by Greek scholars.