pose

Concise Oxford English Dictionary © 2008 Oxford University Press:
pose1

▶verb

• 1 present or constitute (a problem, danger, question, etc.).

• 2 assume a particular position in order to be photographed, painted, or drawn.

• 3 (pose as) pretend to be.

• 4 behave affectedly in order to impress.

▶noun

• 1 a position assumed in order to be painted, drawn, or photographed.

• 2 a way of behaving adopted in order to impress or give a false impression.

– origin ME: from OFr. poser (v.), from late L. pausare ‘to pause’, which replaced L. ponere ‘to place’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
pose2

▶verb archaic perplex with a question or problem.

– origin C16: shortening of obs. appose, from OFr. aposer, var. of oposer ‘oppose’.