Has hold upon is a phrase that means to exert influence or control over someone or something. There are several synonyms for this phrase that can be used interchangeably to convey a similar meaning. Some of these synonyms include grip, grasp, clutch, clutching, clutch hold, hold, clinch, cling, crane, carry, command, dominate, govern, influence, maintain, possess, retain, rule, sway, and control. Each of these words has subtle differences in meaning, but they all relate to the concept of having a strong hold or control over something or someone. When writing or speaking, it is important to choose the appropriate synonym that best conveys the intended meaning and tone.