entender - to understand
entrar - to enter, go in, come in
entregar - to deliver, hand over
entretener - to entertain, amuse
entrevistar - to interview
entusiasmar - to excite; to fill with excitement [or enthusiasm]
entusiasmarse - to get excited, become excited [filled with excitement or enthusiasm]
envejecer - to age, make old, grow old, get old
envejecerse - to get old, age