Fake-but-ostensible, often attempted, productivity.
"I came here to work hard, but I'm nothing more, today, than a factory of pretenductivity."
(adjective) when you pretend to be productive but in fact you are just procrastinating as usual
Q: Where's Emily?
A: Oh, she's in the library being pretenductive again.
The act of pretending to be productive at work
I had to be pretenductive at work today.