Themselves \Them*selves"\, pron. The plural of himself, herself, and itself. See Himself, Herself, Itself. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

34 Moby Thesaurus words for "themselves": I, I myself, alter, alter ego, alterum, better self, ego, ethical self, he, her, herself, him, himself, inner man, inner self, it, me, my humble self, myself, number one, oneself, other self, ourselves, self, she, subconscious self, subliminal self, superego, them, they, you, yours truly, yourself, yourselves

Source: Moby Thesaurus II by Grady Ward, 1.0
 

Themselves \Them*selves"\, pron. The plural of himself, herself, and itself. See Himself, Herself, Itself.

Source: Webster's Revised Unabridged Dictionary (1913)