dumbfounded - to confound with amazement

Pg. 87 - Dumbfounded, the old man drove back out of the park to the nearest diner, where he sat with a cup of coffee while the boy wolfed down meatloaf and gravy, mashed potatoes, zucchini, salad, and coconut custard pie.

repertoire - the accomplishments or skills of a person.

Pg. 97 - Except for one pitch, the only one left in his repertoire from the old days.