1) (of) electronical equipment reproducing recorded sound (using high fidelity) (hifi)
2) (an instance of) robbery on the high seas; (an instance of) illegally reproducing books, a design etc (piracy)
3) for, relating to, reproducing (reproductive)
producing good results
productive
(an example of) the process of multiplying or being multiplied
duplication
producing much or many
fruitful, productive
for, relating to, reproducing
generative