Webster's Revised Unabridged Dictionary · 1913

Himself

Himself , pronoun

1.
An emphasized form of the third person masculine pronoun; -- used as a subject usually with he; as, he himself will bear the blame; used alone in the predicate, either in the nominative or objective case; as, it is himself who saved himself.
But he himself returned from the quarries. — Judges iii. 19
David hid himself in the field. — 1 Sam. xx. 24
The Lord himself shall give you a sign. — Is. vii. 14
Who gave himself for us, that he might... purify unto himself a peculiar people. — Titus ii. 14
With shame remembers, while himself was one Of the same herd, himself the same had done. — Denham
It comprehendeth in himself all good. — Chaucer

Himself was formerly used instead of itself. See Note under Him.

2.
One's true or real character; one's natural temper and disposition; the state of being in one's right or sane mind (after unconsciousness, passion, delirium, or abasement); as, the man has come to himself.
Collocations (2)
By himself , alone; unaccompanied; apart; sequestered; as, he sits or studies by himself.
To leave one to himself , to withdraw from him; to let him take his own course.

Himself , pronoun, plural

Themselves. See Hemself. [Obsolete] — Chaucer

Also: Himselven, Himselve