(aux-v,v1) (1) (せる is for 五段 verbs, させる for 一段; follows the imperfective form of (v5) and (vs) verbs; senses 1-3 of せる are sometimes abbreviated as 〜す) auxiliary verb indicating the causative/(2) (hum) (usu. as 〜(さ)せてもらう, 〜(さ)せていただく, etc.) auxiliary verb indicating that one has been granted the perm