In order to avoid "legal" process [/prosecution]
As a game, amusement, etc.. [as an amusemental game, as play, etc.]
During ["]sex["] or ["]seduction["]
When ["]running for["] political office
In any circumstance
[During postal correspondence]
When it seems ["]natural["] to do
When it is accidentally done
When meeting someone for the first time
When the assumption of the name has no effect whatsoever
When making or selling ["one's"] art [, literature, etc.]
When committing crimes
In order to "impersonate" someone
In order to avoid being "impersonated" yourself
Others