1) Adjust with spanner 2) Alter 3) Become tight or tighter 4) Change 5) Constrain 6) Constrict 7) Fasten 8) Make stricter 9) Make tight or tighter 10) Modify 11) Narrow or limit 12) Restrict 13) Screw up 14) Secure giant 15) Take up the slack 16) Tauten 17) To become tighter 18) To make tighter 19) Turn to the right 1) Bind 2) Compress 3) Constrict 4) Constringe 5) Edit 6) Gird 7) Retie 8) Tauten 9) Tense up 
The act of rising the rod tip quickly to straighten the line and apply tension to it, in order to sink the hook into the mouth of a taking fish.
• (v. t.) To draw tighter; to straiten; to make more close in any manner.
Tight'en transitive verb [ imperfect & past participle Tightened ; present participle & verbal noun Tightening .] To draw tighter; to straiten; to make more close in any manner. « Just where I please, with tightened rein I'll...
[v] - make tight or tighter 2. [v] - become tight or tighter
verb make tight or tighter; `Tighten the wire`