academic – adj. of or relating to schools and education

semester – n. one of two usually 18-week periods that make up an academic year at a school or college

matter – v. to be important

online – adj. done over the Internet

eliminate(d) – v. to remove something that is not wanted or needed

opportunity – n. an amount of time or a situation in which something can be done

smile – v. to make the corners of your mouth turn up in an expression that shows happiness, amusement, pleasure or affection

realize(d) – v. to understand or become aware of something

lecture – n. a talk or speech given to a group of people to teach them about a particular subject

distracted – adj. unable to think about or pay attention to something

engage with – p.v. to become involved with someone or something