reclining

Example:He stood erect, his posture tall and confident.

Definition:standing or held up in a vertical position.

Example:The monument was designed to be upright and imposing, a tribute to the founders of the town.

Definition:standing straight and vertically, not leaning.

Example:The figure in the painting was drawn in a vertical position, facing forward.

Definition:standing or arranged at right angle to the horizontal plane; upright.