1) Accelerate 2) Act fast 3) Act or move at high speed 4) Be quick 5) Bring about sooner 6) Cause to move swiftly 7) Cause to occur rapidly 8) Facilitate 9) Festinate 10) Get a move on 11) Get the lead out 12) Hightail 13) Hotfoot it 14) Hurry 15) Hurry up 16) Look sharp 17) Make tracks 18) Move 19) Move fast Found on https://www.crosswordclues.com/clue/hasten
• (v. t.) To press; to drive or urge forward; to push on; to precipitate; to accelerate the movement of; to expedite; to hurry. • (v. i.) To move celerity; to be rapid in motion; to act speedily or quickly; to go quickly. Found on http://thinkexist.com/dictionary/meaning/hasten/
Has'ten (hās''n) transitive verb [ imperfect & past participle Hastened (-'nd); present participle & verbal noun Hastening (-'n*ĭng).] To press; to drive or urge forward; to push on; to precipitate; to accelerate the movement ... Found on http://www.encyclo.co.uk/webster/H/17
Has'ten intransitive verb To move with celerity; to be rapid in motion; to act speedily or quickly; to go quickly. « I hastened to the spot whence the noise came.» De Foe. Found on http://www.encyclo.co.uk/webster/H/17