unloading, alleviation, cleaning out, clearance, clearing, defecation, depletion, disburdening, discharging cargo, disembarrassment, disencumberment, disencumbrance, drainage, draining, easement, egress, elimination, emptying, evacuation, excretion , exhausting, exhaustion, lightening, off-loading, relief, removal, unballasting, unburdening, unfreighting, unlading, unsaddling, untaxing, unweighting, venting, voidance, voiding