Sentence:  And thus I have given the first part of a life of fortune and adventure, a life of Providence's chequer-work, and of a variety which the world will seldom be able to shew the like of: beginning foolishly, but closing much more <WSD>happily</WSD> than any part of it ever gave me leave so much as to hope for. 
Meaning of the word marked with <WSD> tags:  In a happy or cheerful manner; with happiness.