Meaning a person can be intelligent in their ways based on behaviors. These intelligences can be spacial, naturalists, musical, interpersonal, intrapersonal, logical mathmatical, existentail, linguistic, and bodyily kinesthetic.
Grendel wants his death to be viewed as an accident because he doesn't want Beowulf to receive any honor.
He tells Beowulf that he isn't victorious, because he just slipped on the blood and wasn't actively pursued by him. Also, when he is running out in the woods he screams that Beowulf's victory was an accident.
Since you didn't provide the excerpt, I am going to assume that the answer you need is 'hearken'.
Antigone is very determined to give his brother a proper and decent burial. He is not afraid of the danger and consequence that he is facing just to give and take the body back from home. He is even willing to give him everything even his on life jus to achieve this.