General:
* Possessing: This is a very formal synonym, often used in legal or academic contexts.
* Owning: This implies legal ownership.
* Holding: This suggests a temporary possession.
* Containing: This focuses on the object being inside something else.
* Experiencing: This emphasizes the feeling or state of having something.
* Enjoying: This implies a positive experience of having something.
Specific:
* Bearing: This can be used when talking about physical possession (e.g., "He's bearing a heavy load.")
* Enduring: This is used when talking about enduring a negative experience (e.g., "She's having/enduring a difficult time.")
* Receiving: This focuses on how something was acquired.
* Getting: This is a more informal synonym for receiving.
It's also important to consider the grammatical context. For example, "having" can be used as a participle ("having said that") or as a gerund ("having fun").
To get the best synonym, please provide more context about how "having" is used in your sentence.