1- A usual or expected way of behaving, often following an old way of thinking....

•Gelenek (1) resmi bir toplantı (2)

•Conventionalise (vb,1) Convene (vb,2) Conventional (adj, 1) Conventionally(adv1)

• The university followed the convention of having a ‘first lesson’ at the start of the academic year...

• Custom, tradition (1) Meeting, conference (2)

Follow, break with a convention (1), convention dictates that (1),

hold a convention (2)

• 2 - A large formal meeting of people who do a particular job or have a similar interest.