1) Place 2) Place above something else 3) Place on top of 4) Pose 5) Position 6) To place on top of another 1) Superimpose 
SuperPose is a freely available web server designed to perform both pairwise and multiple protein structure superpositions. The `Structural superposition” term refers to the rotations and translations performed on one structure to make it match or align with another structure or structures. Structural superposition can be quantified either in .....
• (v. t.) To lay upon, as one kind of rock on another. • (v. t.) To lay (a figure) upon another in such a manner that all the parts of the one coincide with the parts of the other; as, to superpose one plane figure on another.
Su`per·pose' transitive verb [ imperfect & past participle Superposed ; present participle & verbal noun Superposing .] [ French superposer . See Super- , and Pose .] 1. To lay upon, as one kind of rock on...
[v] - place (one geometric figure) upon another so that their perimeters coincide
to place above or upon something else, or one upon another. · to place (one figure) in the space occupied by another, so that the two figures coincide throughout their whole extent.