to create a threat, problem, etc. that has to be dealt with

to ask a question, especially one that needs serious thought

The new play poses some challenging questions.

to sit or stand in a particular position in order to be painted, drawn or photographed

The delegates posed for a group photograph.

They posed briefly for pictures before driving off.

She was only too delighted to pose for the cameras.

He was persuaded to pose for his portrait.

to pretend to be somebody in order to trick other people

The gang entered the building posing as workmen.

to dress or behave in a way that is intended to impress other people

I saw him out posing in his new sports car.

a particular position in which somebody stands, sits, etc., especially in order to be painted, drawn or photographed

a way of behaving that is not sincere and is intended to impress or trick people 

This show of concern is just a pose.

LEARNit Dictionary