When it comes to the action of "placing on," there are several different synonyms that can be used to convey the same basic idea. Some of the most commonly used synonyms for this phrase include "putting on," "setting on," "positioning," "fixing," "mounting," "installing," "affixing," "attaching," and "securing." Each of these synonyms can be used in different contexts depending on the specific object being placed, the surface on which it is being placed, and the intended purpose of the action. Overall, using synonyms for "placing on" can add variation, clarity, and depth to your communication, whether you are speaking or writing.