putoff

[ poo t-awf, -of ]
/ ˈpʊtˌɔf, -ˌɒf /

noun

an act or instance of putting off.
a delaying, postponing, or avoiding of something.
an expressed excuse or evasion; demur: She responded with a polite but firm putoff.

Origin of putoff

First recorded in 1540–50; noun use of verb phrase put off