Please mount the picture on the wall.

To place or fix something onto a support or base.
Mount the shelf here.
They will mount the trophy.
Mount the speaker on the stand.
mount a display
mount a camera
mount a picture
attach
fix
install
The loud music began to mount the tension in the room.

To increase or enhance the intensity or level of something.
The debt will mount quickly.
His anger began to mount.
Costs are mounting every day.
mount concern
mount pressure
mount opposition
grow
rise
escalate
The hikers will mount the steep hill.

To climb up or ascend to a higher position or level.
We will mount the stairs.
They mount the horse.
He will mount the stage.
mount a horse
mount a challenge
mount an attack
ascend
climb
escalate