Sentence:  Reuben's a gude lad and a kind—I have aye allowed that ; but as to his not allowing enquiry anent the scandal of Margery Kittlesides and Rory MacRand, under pretence that they have <WSD>southered</WSD> sin wi' marriage, it's clear again the Christian discipline o' the kirk. 
Meaning of the word marked with <WSD> tags:  To fix; remedy; put to rights.