confirm

"It took all my resolve to go through with the surgery."

"The teacher's encouraging words confirmed the student's resolve to study harder for the exam. "

"strengthen a muscle"

"It turned out the shoplifter had a lot of previous."

"Do you need a gift for that special someone?"

"The school's basketball team won the championship this year. "

"The teacher asked us to write statements about what we learned in class today. "

"We administered the medicine to our dog by mixing it in his food."

"The wedding was a beautiful sacrament, signifying the couple's commitment to each other. "

"We will send you a written confirmation of your hotel booking."

"The resolute faced every obstacle with unwavering determination, never giving up on their goals. "

"The value of testimony depends on its accuracy."