Designate (verb)

1. To choose and name someone or something for a particular purpose or role.
2. To indicate or specify something, typically by a name or symbol.
3. To give something a name or title.
4. To indicate the nature or characteristics of something.
5. To assign a particular status or rank to someone.

Origin:

Late middle english: from latin designat- "pointed out, indicated", from the verb designare, from de- "completely" + signare "to mark".

Examples:

1. He was designated as the team leader.
2. The building was designated as a historical landmark.
3. The area was designated as a protected wildlife sanctuary.
4. She designated the day as a national holiday.
5. He was designated as a general in the army.