"Getting a handle on" is a common phrase used to describe the act of understanding or gaining control over a situation. There are several synonyms for this phrase that can be used to convey the same meaning, including "grasping," "understanding," "mastering," "tackling," and "taking charge." Each of these words can be used in different contexts to suggest a similar action, such as understanding a complex problem or taking control of a difficult situation. By using synonyms for "getting a handle on," we can add variety and nuance to our language, making our writing and speech more vibrant and effective.