oneself
pron. B1 Intermediate US //ˌwənˈsɛɫf// UK //wɒnsˈɛlf// one·self
pron. a formal way to say 'yourself' or 'himself' when talking about any person. You use it to avoid naming a specific gender or person.
pron. a reflexive pronoun used for indefinite or generic subjects, replacing gender-specific forms like 'himself' or 'herself'.
The philosopher argued that true self-knowledge requires one to examine oneself without bias or external influence.
A contracted form of one's self (Mid-16th century). Equivalent to one + -self.
Usage
Used with indefinite pronouns like 'everyone', 'someone', or 'one'.