reservation

1 a feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something <despite my reservations, we hired the young teen as a babysitter> Synonyms distrust, distrustfulness, dubiety, dubitation [archaic], incertitude, misdoubt, misgiving, mistrust, mistrustfulness, query, doubt, skepticism, suspicion, uncertaintyRelated Words disbelief, incredulity, unbelief; anxiety, concern, paranoia, wariness; compunction, niggle [chiefly British], qualm, scruple, tremorNear Antonyms credence, faithAntonyms assurance, belief, certainty, certitude, confidence, conviction, sureness, surety, trust

2 something upon which the carrying out of an agreement or offer depends <gave us his approval without any reservations> Synonyms contingency, if, provision, proviso, qualification, condition, stipulationRelated Words strings, terms; precondition, prerequisite, requirement, requisite; limitation, modification, restriction; exception, exemption; demand, essential, must, necessity, need