What's the adjective for postponement? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs postpone, postpose and postposit which may be used as adjectives within certain contexts.
“Now, you have to remember that the automobile is the most postponable consumer purchase there is.”
“One of the problems with death in our time is that it becomes increasingly avoidable, or at least postponable.”
“The Institute of Health and Welfare estimates that 80 per cent of health related conditions in old age are preventable or postponable if corrected in time.”
“As noted, the ideophone can occur with quotative go, with either a preposed or a postposed subject nominal.”
“Definiteness is marked by two mutually exclusive articles, a preposed demonstrative article which occurs with nouns that are modified by an adjective or a postposed enclitic.”