board — A board is a flat, thin, rectangular piece of wood or plastic which is used for a particular purpose.
set about — to put (something or someone) in a particular place: to set a vase on a table.
set out — to put (something or someone) in a particular place: to set a vase on a table.
set sail — an area of canvas or other fabric extended to the wind in such a way as to transmit the force of the wind to an assemblage of spars and rigging mounted firmly on a hull, raft, iceboat, etc., so as to drive it along.
ascend — If you ascend a hill or staircase, you go up it.
climb — If you climb something such as a tree, mountain, or ladder, or climb up it, you move towards the top of it. If you climb down it, you move towards the bottom of it.
embark — Go on board a ship, aircraft, or other vehicle.