As a noun abstemiousness
is the quality of being abstemious, temperate, or sparing, particularly in the use of food and strong drinks .
As an adverb grandly is
in a grand manner.
abstemiousness
English
Noun
(-)
The quality of being abstemious, temperate, or sparing, particularly in the use of food and strong drinks.
Usage notes
* It expresses a greater degree of abstinence than (temperance).
References
grandly
English
Adverb
(
en adverb)
In a grand manner.
To the greatest extent.
Synonyms
* regally, princely