fasten. (121/365)

Delta.

Verb

S: (v) fasten, fix, secure (cause to be firmly attached) "fasten the lock onto the door"; "she fixed her gaze on the man"
S: (v) fasten (become fixed or fastened) "This dress fastens in the back"
S: (v) fasten (attach to) "They fastened various nicknames to each other"
S: (v) tighten, fasten (make tight or tighter) "Tighten the wire"

Definition of "fasten" from Princeton's WordNet