aliferous: (adj.) having wings

apricity: (n.) the warmth of the sun in the winter

aspectabund: (adj.) letting emotion show easily through the face or eyes

aurora: (n.) dawn

balter: (v.) to dance gracelessly, but with enjoyment

cafune: (n.) the act of running your fingers through the hair of someone you love

catharsis: (n.) release of emotional tension

charmolypi: (n.) a mixed feeling of happiness while being sad

diaphonous: (adj.) light, translucent, and delicate

dulcet: (adj.) sweet

ephemeral: (adj.) fleeting

ethereal: (adj.) extremely delicate and light in a way that seems too perfect for this world

eutony: (n.) the pleasantness of a word’s sound

halcyon: (adj.) a period of time in the past that was idyllically happy and peaceful

illecebrous: (adj.) enticing

irenic: (adj.) promoting peace

kalon: (n.) beauty that is more than skin-deep

kalopsia: (n.) the seeing of things as more beautiful than they actually are

lacuna: (n.) a blank or missing part

lilt: (n.) a pleasant gentle accent

ludic: (adj.) full of fun and high spirits

meraki: (n.) to do something with love or soul

nefelibata: (n.) cloud-walker; one who lives in the clouds of their own imagination

nepenthe: (n.) something that makes one forget their sadness

nubivagant: (adj.) wandering in the clouds

numinous: (adj.) feeling fearful yet awed and inspired

orphic: (adj.) beyond ordinary understanding

pyrrhic: (adj.) won at too great a cost

pulchritudinous: (adj.) breathtaking, heartbreaking beauty

scintilla: (n.) a tiny trace or spark of a feeling

selcouth: (adj.) unfamiliar, strange, yet marvelous

sirimiri: (n.) a light drizzle of rain

susurrus: (n.)  whispering, murmuring, or rustling

sweven: (n.) a dream

temerate: (v.) to break a bond or promise

viridity: (n.) innocence

yonderly: (adj.) absent-minded

/ˈsändər/

noun
the realization that each random passerby is living a life as vivid and complex as your own.