pleasantly

In a pleasant manner; so as to achieve a pleasant result.

He smiled pleasantly at passersby.

They were pleasantly surprised at the result.

Lightly

Ludicrously; facetiously.

In workhouses, pleasantly so named, because work cannot be done in them.

Mr Venus, reminded of the duties of hospitality, produced some rum. In answer to the inquiry, 'Will you mix it, Mr Wegg?' that gentleman pleasantly rejoined, 'I think not, sir. On so auspicious an occasion, I prefer to take it in the form of a Gum-Tickler.'