Enter
Part of speech: noun
Definition: The "Enter" key on a computer keyboard. A stroke on that key.
Part of speech: verb
Definition: To go into (a room, etc.) To type (something) into a computer; to input
Example sentence: Your own mind is a sacred enclosure into which nothing harmful can enter except by your permission.
Embark
Part of speech: verb
Definition: To get on a boat or ship or (outside the USA) an aeroplane.To start, begin.
Example sentence: We are keen to stress that a strong euro zone is good for a strong United Kingdom. It's not for us to write the changes that the euro zone needs to embark on.