Battening is a term that describes the process of securing or fastening something. If you're looking for synonyms for this word, you can consider using phrases like securing, fixing, attaching, or clasping. Other synonyms that you can use include phrases like latching, tightening, closing, and tying. Depending on the context of your writing, you can also consider using variations of battening, such as battening down, battening up, or battening together. Whatever synonym you choose, be sure to use it consistently throughout your writing to maintain clarity and coherence.