There are several words that one can use as synonyms for the word "BESL". This term generally means to hold firmly or to secure something in place. Some synonyms for the word "BESL" include grasp, clasp, grip, hold, seize, and clutch. These words can be used interchangeably, depending on the context. For example, one could say, "He tightly grasped the rope to prevent himself from falling" or "She clutched the handle of the suitcase tightly as she boarded the plane". Using synonyms for words is a great way to expand one's vocabulary and create more interesting and varied writing.