QUIXOTICALLY
quixotically
(adverb) in a quixotic manner; “sent to jail for two years, he has quixotically refused to clear himself by betraying his colleagues”
Source: WordNet® 3.1
Etymology
Adverb
quixotically (comparative more quixotically, superlative most quixotically)
In a quixotic manner.
Source: Wiktionary
Quix*ot"ic*al*ly, adv.
Definition: In a quixotic way.
QUIXOTIC
Quix*ot"ic, a.
Definition: Like Don Quixote; romantic to extravagance; absurdly chivalric;
apt to be deluded. "Feats of quixotic gallantry." Prescott.
Source: Webster’s Unabridged Dictionary 1913 Edition