The word "declinature" means to refuse or reject an offer, invitation or proposal. Some synonyms for "declinature" include refusal, rejection, dismissal, denial, disapproval, repudiation, and rebuff. These words all express the act of declining or turning down something that has been offered. Another synonym for "declinature" is "non-acceptance", which implies a choice not to take part or receive something that has been offered. In some contexts, the term "negative response" may also be used to refer to a declinature. Overall, these synonyms for "declinature" highlight the concept of actively rejecting an offer or proposal.