ABRIDGE

to shorten, to reduce

reduce in scope while retaining essential elements

lessen, diminish, curtail

SYN - abbreviate, cut

"After having accidently picked up the shortened version of the novel, he was now looking for the unabridged version."

"When Jack arrived for the ceremony he was schocked to learn that the decision had been made to abridge his speech. After reviewing it he realized that although it was shorter it still had all the essential elements."

"He would have to give the President the abridged version of his presentation, due to the limited amount of time."