Synonyms and related words :
advance, advancement, allowance, cession, circumscription, concession, exception, exemption, expediting, expedition, extenuating circumstances, facilitation, forwarding, furtherance, grain of salt, grant, hedge, hedging, helping along, limitation, mental reservation, modification, preferential treatment, promotion, qualification, reservation, restriction, rushing, salvo, special case, specialness, specification, speeding, waiver