Verb (5-dan, す, transitive)
1. to cause; to induce; to bring about; to provoke
occ. written as 惹き起こす
トラブルを引き起こしてばかり！You do nothing but cause trouble!
2. to pull upright; to help up (e.g. a fallen person)
彼女の手を握って、引き起こした。I took her hand and pulled her up.