The verb "truncate" means to shorten something, to make something shorter by finishing it early. Additionally, "elongate" means make or become longer; "supplant" means replace, take over from.

The verb "cultivate" is generally used to refer to tending one's crops, preparing one's land for the growth of crops and attending to those crops. It can also mean simply to "tend" to something more generally, like "I am trying to cultivate a better work ethic." Additionally, "lend" means allow someone to borrow and "mend" means fix, repair.

The verb "jeopardize" means endanger, to put someone in danger due to your actions. Additionally, "mar" means spoil, ruin; "linger" means hesitate, remain behind after others have left; "pelt" means throw things at with force; "indict" means formally accuse of committing a crime or other misdeed.

"Coagulate" means to "form a clot," such as when blood dries, or when a liquid congeals into a semi-solid state.

"Evaporate" means to disappear or to melt; in science it means liquid becoming gas, such as when water evaporates and becomes steam.

"Saturate" means to soak, to get very wet or to douse.

"Steep" means to bathe something in liquid, to soak, to submerge in liquid.

"Imbue" means to infuse, to saturate or to ingrain something upon something else.

"Peddle" means to "sell door to door," to hawk goods, to solicit goods.

"Purchase" means to buy, or to exchange money for something.

"Produce" means to create something, to make or to assemble something.

"Paddle" means to move using oars or paddles, to row. This answer is meant to show the difference in spelling and meaning between "peddle" and "paddle."

"Bike" means to use a bicycle to transport oneself; to pedal on a bicycle. This answer is meant to trick the student if "peddle" was misread as "paddle."

"Meander" means to "wander" or to zigzag, to walk slowly and not in a straight line.

"Sprint" means to run at full speed.

"Crawl" means to move slowly, or to move on one's hands and feet as an infant does.

To "march" is to walk in a uniform way, or to walk in a deliberate, ordered way.

"Escort" means to accompany something as a guard, to guide or protect someone along a journey.

"Abscond" means run away, depart secretly, "flee."

"Inculcate" is to teach someone by repeating something over and over, to impart knowledge, to infuse someone with knowledge.

"Abet" means to aid or assist someone, particularly with a crime.

"Enumerate" means to list one by one, to name, to count.

"Delve" means to dig into something, to explore, to inquire.

The correct answer is "push."

"Jostle" is a verb that means to push (or bump) against others (people) in a rough manner. Running into someone might "jostle" them, but this is not a necessary result of running.

"Wriggle" is a verb meaning to twist and turn. "Squirm" is a synonym, meaning to twist or wriggle from side to side. 

"Rend" means to rip, often clothing.

"Tie" means to bind something together.

"Pulverize" means to smash to a powder, crush, atomize.

"Glue" means to connect two things using a sticky substance, to cement, to paste.

"Jump" means to hop, to leap into the air.