The phrase "doth top your head" refers to something being on the very top of your head. There are several synonyms that can be used to convey the same meaning, such as "resting atop," "perched on," "sitting on," "covering," or "balancing." The phrase can be used to describe something tangible, like a hat or a crown, or something metaphorical, such as a thought or feeling. Whatever the context, these synonyms can help to add variety and depth to your writing, bringing a more descriptive and nuanced quality to your language.