cautelously

Which the indiscreete youth perceyving, and thinking her to be some great Lady: began also to grow halfe perswaded, that his comely person was pleasing to her and therefore he would carrie this good fortune of his somewhat cautelously.

The Decameron 2004

She answered cautelously, and said that they did it because that S. Lucy, which should have been his wife, had found one which had a more fairer and nobler heritage than his was, the which they would buy tofore ere they should assemble by marriage.

The Golden Legend, vol. 2 1230-1298 1900