brontide—a rumbling noise heard occasionally in some parts of the world, probably caused by seismic activity.
apotheosis—the ideal example; epitome; quintessence
apricate—"to bask in the sun," (created in the 1690s)
gallimaufry—a hodgepodge; jumble; confused medley.
selcouth—strange; uncommon.
sciamachy—an act or instance of fighting a shadow or an imaginary enemy.
belie—to show to be false; contradict; to misrepresent
cynosure—something that strongly attracts attention by its brilliance, interest, etc.
syzygy—an alignment of three celestial objects, as the sun, the earth, and either the moon or a planet; any two related things, either alike or opposite.
perforce—of necessity; necessarily; by force of circumstance
frabjous—wonderful, elegant, superb, or delicious.
limerence—a state of being infatuated with another person
petrichor—the pleasant, earthy smell after rain
eternize—to make eternal; perpetuate; to immortalize
sudser—any movie, play, or the like that is designed to provoke a tearful response.
aquiver—quivering, trembling
ephemeral—lasting for a very short time
crepuscular—of, relating to, or resembling twilight; dim; indistinct
nefarious—wicked, villainous, despicable
luminescence—light produced by chemical, electrical, or physiological means
aurora—dawn
agog—highly excited by eagerness, curiosity, anticipation, etc.
schism—division or disunion, especially into mutually opposed parties.
brume—mist; fog.
schlemiel—an awkward and unlucky person for whom things never turn out right.
rhapsodic—extravagantly enthusiastic; ecstatic.
paresthesia—an abnormal sensation, as prickling, itching, etc.
maudlin—tearfully or weakly emotional; foolishly sentimental
denouement—the resolution of a narrative
Thanks to dictionary.com and the article "32 Of The Most Beautiful Words In The English Language" (by Daniel Dalton on Buzzfeed) for the words and definitions.