1) Anagram for tribes 2) Be active 3) Become active 4) Exclusively Saxon word 5) Exclusively Anglo word 6) Get going 7) Incite 8) Incite to action 9) Move 10) Move about 11) Rouse 12) Rouse to action 13) To make active 14) To move with life and vigor 15) To rouse oneself 16) To stir up 17) Waken 18) Word with Anglo-Saxon origins Found on https://www.crosswordclues.com/clue/bestir
Be·stir' transitive verb [ imperfect & past participle Bestirred ; present participle & verbal noun Bestirring .] To put into brisk or vigorous action; to move with life and vigor; -- usually with the reciprocal pronoun. « You have ... Found on http://www.encyclo.co.uk/webster/B/43