Ant. Certainty, fact, verity, proof, realization, verification.
Speech. Address, discourse, language, speaking, talk, oration, utterance, sermon, harangue, dissertation, oratory, disquisition.
Ant. Hush, silence, stillness, taciturnity, speechlessness.
Spirit. Life, soul; ghost, specter; fairy, sprite; energy, vivacity, ardor, courage, enthusiasm; intellectuality; meaning, intent; vapor; distilled liquid; air, breath; intelligence, immateriality, essence, disembodiment, apparition; activity, earnestness, zeal; temper, disposition; principle, motive.
Ant. Substance, body, corporeity, flesh, frame, materiality, embodiment, organization; spiritlessness, timidity, lifelessness, soullessness, deadness, torpor, dejection, slowness.
Spiritual. Immaterial, incorporeal, mental, intellectual; holy, divine, heavenly-minded; ecclesiastical, sacred; moral; religious, ethical.
Ant. Carnal, fleshly, material, sensuous; gross; unspiritual.
Splendid. Shining, showy, magnificent, sumptuous, pompous; illustrious, brilliant, famous; gorgeous, grand, glorious; imposing; superb, heroic, noble.
Ant. Dull, tame, obscure, tarnished, tawdry, somber, beggarly, gloomy, poor, ordinary, ineffective, inglorious, insignificant, mean, low.
Spontaneous. Free, intentional, voluntary, willing, unbidden, impulsive, automatic, instinctive, deliberate.