Schemingly is a term that describes an action or behavior that is done with a hidden, sneaky or shrewd motive. There are several synonyms available for this term that can be used to enhance your writing skills. Some of the synonyms for schemingly are cunningly, deceptively, secretly, craftily, designingly, and slyly. Each of these words carries a slightly different connotation, but they all emphasize the dishonest or manipulative nature of the action. By using these synonyms in your writing, you can create a more vivid and nuanced picture of the behavior or actions being described.