v.
1.elaborate, as of theories and hypotheses
2.come up with (an idea, plan, explanation, theory, or priciple) after a mental effort
3.put into words or an expression
4.prepare according to a formula
Idiom of the Day
play dumb/ignorant
to pretend to be ignorant about something
I played dumb when my boss asked me if I knew anything about the problems with the printer.