"Held by" is a phrase used to describe ownership or possession of something. There are many different synonyms that can be used to convey the same meaning. For example, one could say "owned by" or "in the possession of" instead of "held by". Other options include "belonging to", "under the control of", "governed by", "dominated by", "affiliated with" or "associated with". Each of these phrases can be used to describe the same concept of having control over something. By using synonyms, one can vary their language and add interest to their writing while still conveying the intended meaning.