Sentence:  But Sœur Rosalie remained their mother still ; and when they returned, as many of them did — floated home by some strong current of grace — those motherful arms and that great <WSD>motherful</WSD> heart were open to them with a welcome made more tender by the extremity of their need. 
Meaning of the word marked with <WSD> tags:  Befitting a mother; motherly.