For plural subjects:
* Them: (as object of a verb or preposition)
* Those: (as a pronoun referring to people or things already mentioned)
* These: (as a pronoun referring to people or things nearby)
* The people: (for a more specific and formal tone)
* The group: (for a more general and formal tone)
* The individuals: (to emphasize the separate individuals within the group)
For singular subjects (when "they" is used as a gender-neutral singular pronoun):
* He or she: (traditional but can be cumbersome)
* He/she: (more concise but less formal)
* They: (increasingly accepted as a singular pronoun)
* One: (formal and impersonal)
* A person: (more specific)
Other options:
* The individuals: (to emphasize the separate individuals within the group)
* The crew: (if referring to a group of people working together)
* The gang: (if referring to a group of friends)
* The team: (if referring to a group working towards a common goal)
It's important to consider the context and the desired tone when choosing a synonym for "they."