SYN: Chance, fortuity, disaster, incident, adventure, casualty, hazard, contingency, calamity, misadventure, mishap.
ANT: Law, purpose, appointment, ordainment, provision, preparation.
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KEY: Acclamation.
SYN: Applause, homage, gratulation, salutation, joy, commendation, plaudit, hosannas, cheer, shouting, exultation, triumph, approval.
ANT: Obloquy, censure, execration, contumely, outcry, sibilation, denunciation.
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KEY: Acclivity.
SYN: Ascent, rise, incline.
ANT: Declivity, descent.