Sentence:  But Erasmus added, "And yet such as she was, being also <WSD>spareful</WSD> and given to profit, he so framed and fashioned her by his dexterity that he lived a sweet and pleasant life with her, and brought her to that case, that she learned to play and sing at the lute and virginals, and every day at his returning home he took a reckoning and account of the task he enjoined her touching the said exercise." 
Meaning of the word marked with <WSD> tags:  frugal.