Below are possible answers for the crossword clue Fasten (to).
6 letter answer(s) to fasten (to)
ATTACH
be attached; be in contact with
become attached; "The spider's thread attached to the window sill"
cause to be attached
create social or emotional ties; "The grandparents want to bond with the child"
join
take temporary possession of as a security, by legal authority; "The FBI seized the drugs"; "The customs agents impounded the illegal shipment"; "The police confiscated the stolen artwork"
Other crossword clues with similar answers to 'Fasten (to)'