Imagination by allowing us to explore things in our mind helps in synthesizing the ideas which might make us develop the existing things and can make us create new things out of matter.
Imagination therefore helps in extracting the hidden ideas and helps in transforming the matter constantly-this will in turn, constantly change the Reality.
The constant change is nothing but Dynamism and Dynamism defines time and everything else in this Universe.
So,Imagination does play a great role in this nature by helping the man constantly change the reality and maintain the dynamism in this part of the nature