spearheads

"to sharpen a pencil or a knife or a musical note"

""Learning a new language opens up many opportunities for travel and better job prospects." "

"The school's annual fundraising helps pay for field trips and new equipment. "

"The president of the student council used last year's debate as a precedent for this year's election rules. "

"The company is targeting children in their latest advertising campaign."

"The new student, the class's newest initiate, introduced herself to the other students. "

"This species of snake will only attack humans if it feels threatened."

"Pit row was abuzz with activity."

"My son consistently gets good grades in math class. "

"The new school year will cover a vast territory, from basic math to advanced science. "

"He spent six years in the military."

"He spearheaded the entire project from day one."