Soul
Soul, inner self, essential being, anima, id, atman, psyche, inner being, pneuma, ego, and ka.
Life force
Life force, vital spark, élan vital, animating principle, and breath of life.
Apparition
Ghost, spectre, wraith, presence, Doppelgänger, spook, shade, visitant, eidolon, phantom, apparition, shadow, bodach, duppy, phantasm, revenant, wight, and manes.
Essence
Ethos, motivating force, dominating characteristic, quintessence, mood, temper, climate, beliefs, standards, prevailing tendency, animating principle, essence, atmosphere, feeling, tenor, attitudes, principles, and ethics.
Nature
Temperament, character, personality, make-up, cast/turn of mind, mind, attitude, way of thinking, state of mind, outlook, ideas, emotional state, disposition, nature, temper, humour, complexion, heart, frame of mind, way of looking at it, point of view, thoughts, and mood.
Morale
Morale, esprit de corps, bravery, braveness, pluckiness, strength of character, backbone, mettle, determination, resolution, resolve, gameness, grit, bottle, moxie, enthusiasm, keenness, vivacity, energy, vigour, zest, elan, sparkle, gusto, pep, sap, zeal, passion, oomph, zip, vim, team spirit, courage, courageousness, pluck, valour, fortitude, spine, stout-heartedness, firmness of purpose, resoluteness, fight, guts, spunk, sand, animation, eagerness, liveliness, vivaciousness, verve, dynamism, dash, panache, exuberance, brio, go, fervour, fire, pizzazz, zing, zap, and get-up-and-go.
Substance
Liquor
Strong liquor, strong drink, vodka, brandy, hard stuff, firewater, liquor, gin, whisky, rum, shorts, and hooch.
Snatch
Abduct, make off with, whisk away, steal away with, seize, kidnap, run away with, carry off, snatch, and abscond with.