A court or party dismisses a case when they find there is not enough evidence to proceed.
Merriam-Webster Online Dictionary
dismissal (noun)the act of the fact or state of being - dismissing dismissed
Merriam-Webster Online Thesaurus
dismissal (noun)the termination of the employment of an employee or a work force often temporarily
SYNONYMS:
ax ( axe), discharge, dismissal, furlough, redundancyRELATED WORDS:
pink slip; bird [], boot, bum's rush, downsizing, firing, heave-ho, sack; closing, shutdown; shakeout, shake-upNEAR ANTONYMS:
callback, recall, reemployment, rehire, rehiring