Fastens is a 7 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 10 points.
You can make 164 anagrams from letters in fastens (aefnsst).
before 900; Middle English fastenen, Old English fæstnian; cognate with Old Norse fastna to betroth; akin to fast1
Let us fasten ourselves to the throne of God as with hooks of steel.
His biggest apparent weakness: an inability to fasten more than two buttons on his shirt.
Some are, as you see, upon one sheet, and some are in many pieces which may fasten together.
fasten your seat belts—this is going to be a wild four-week ride.
"Now let us fasten up the door I came in by," said Christopher.
Do you mind if I fasten them on with wire so they can't fall?
In any case, once he made his rope, how did he fasten it to a metal grill eight feet above the ground?
If the hands did not fasten and take hold, how then should we eat?
They fasten their seat belts to drive one hundred yards across a parking lot.
In the meantime, as Bette Davis used to say, fasten your seatbelts.