1. (verb) cause to be firmly attached

• fix
• secure

2. (verb) make tight or tighter

• tighten

1. (verb) cause to be firmly attached

• attach

2. (verb) become fixed or fastened

• attach

3. (verb) attach to

• attach

4. (verb) make tight or tighter

• alter
• change
• modify

1. (verb) cause to be firmly attached

• anchor
• cast anchor
• drop anchor
• anchor
• ground
• bandage
• bind
• bar
• belay
• belay
• belt
• berth
• moor
• tie up
• bight
• bind
• tie
• bitt
• brad
• brooch
• clasp
• buckle
• clasp
• button
• cable
• cement
• chain
• chock
• cinch
• girth
• clamp
• cleat
• clinch
• clinch
• coapt
• cramp
• crank
• deposit
• lodge
• stick
• wedge
• entrench
• intrench
• garter
• grout
• hang
• hang up
• hang
• hasp
• hook
• joggle
• joint
• latch
• lock
• lock up
• moor
• noose
• picket
• pin
• rig
• rivet
• rope up
• run up
• sew
• sew together
• stitch
• spike
• stake
• staple
• stay
• strap
• string
• tack
• toggle
• velcro
• wire
• zip
• zip up
• zipper

2. (verb) become fixed or fastened

• glue
• stick
• stick
• stick

3. (verb) make tight or tighter

• firm
• tauten
• frap
• screw
• wind
• wind up

1. (verb) cause to be firmly attached

• attachment
• fastening
• fastener
• fastening
• fixing
• holdfast
• fastener
• fastness
• fixedness
• fixity
• fixture
• secureness
• fixture

2. (verb) become fixed or fastened

• fastener
• fastener
• fastening
• fastening
• fixing
• fixing
• holdfast
• holdfast

3. (verb) make tight or tighter

• tightening

1. (verb) cause to be firmly attached

• unfasten

2. (verb) become fixed or fastened

• unfasten