Definition of fasten
1a
: to attach especially by pinning, tying, or nailing
b
: to make fast and secure
c
: to fix firmly or securely
d
: to secure against opening
2
: to fix or set steadily
fastened her attention on the main problem
3
: to take a firm grip with
the dog fastened its teeth in the shoe
4a
: to attach (oneself) persistently and usually objectionably
b
: to place forcefully : impose
fastened the blame on the wrong person
1
: to become fast or fixed
2a
: to take a firm grip or hold
b
: to focus attention
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Merriam-Webster unabridged
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Time Traveler for fasten
The first known use of fasten was before the 12th century
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