The phrase "hook with" refers to a variety of actions that involve connecting with or catching onto something. Synonyms for this phrase might include "link up with," "fasten to," or "attach to." Other similar phrases might include "clasp onto," "catch hold of," or "grasp onto." Depending on the context, the phrase could also refer to more abstract concepts, such as forming a partnership or alliance. Synonyms for these meanings might include "unite with," "join forces with," or "collaborate with." Regardless of the specific meaning, there are many different words and phrases that can be used to convey the same basic idea of connecting or joining together.