\Be*stir"\, v. t. [imp. & p. p. {Bestirred}; p. pr. & vb. n. {Bestirring}.] To put into brisk or vigorous action; to move with life and vigor; -- usually with the reciprocal pronoun. You have so bestirred your valor. --Shak. Rouse and bestir themselves ere well awake. --Milton.