This is the 9157th most frequent Korean word.
거창한
Grand; extravagant; pompous.
The word 거창한 (grand or ambitious) is used here to describe the goal as being impressive or significant.
그는 거창한 목표를 세웠다.
He set a grand goal.
Here, 거창한 (grand or extravagant) serves to describe the plan as being overly ambitious, suggesting moderation.
우리는 너무 거창한 계획을 세우지 말자.
Let's not make too grand a plan.
In this context, 거창한 (grand or elaborate) portrays the stories as being exaggerated or larger-than-life.