burnish

"Her confidence in her ability to speak French helped her to participate more in class discussions. "

"The poem used very metaphoric language, comparing love to a fragile flower. "

"We brightened the room with a new coat of paint."

"She is an intellectual giant, and I respect her greatly."

"The relation between diet and health is complex."

"The student's enthusiasm for history was a form of divine inspiration, making him memorize facts effortlessly. "

"The classroom felt much brighter after we opened the curtains. "

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

"In pottery, a stone is sometimes used to burnish a pot before firing, giving it a smooth, shiny look."

"After she bumped her head, a large bump started swelling on her forehead. "

"My sister's reputation for being organized helped her excel in school. "

"My discussion with the professor was very enlightening."