dog, inquisitive, patient, patiently, patience, waiting, looking up, looking upward, older, aged, old, grey, gray, gray hair, grey hair, senior, adult animal, adult, adult animals, brown, expression, dark, sized, big, white, short-haired, black, student, canine, collegian, age group, undergraduate, animal, good nature, case, nature, countenance, disposition, grownup, sick person, domestic animal, wait, inactivity, look, appearance, face, large, person, enrollee, mammal