1) Astringe 2) Constringe 3) Corset 4) Limit 5) Press 6) Squeeze 7) Tighten 1) Become tight or as if tight 2) Cause to contract or shrink 3) Compact 4) Compress 5) Contract 6) Draw together 7) Emulate a boa 8) Press 9) Squeeze 10) Squeeze in one spot 11) Squeeze or press together 12) Study rigorous contract 13) Tighten 14) To draw or press in 15) To limit or restrict 
• (v. t.) To draw together; to render narrower or smaller; to bind; to cramp; to contract or cause to shrink.
While this word generally means to make something narrower, in economics it is commonly used for making something, especially the money supply, smaller (or perhaps to allow it to grow more slowly).
Make narrower.
To squeeze.
Con·strict' transitive verb [ imperfect & past participle Constricted ; present participle & verbal noun Constricting .] [ Latin constrictus , past participle of constringere . See Constrain .] To draw together; to ...
make tight or smaller 
[v] - become tight or as if tight
constrict 1. To compress, to make narrower. 2. To cause to contract. 3. To make smaller or more narrow; especially, by binding or squeezing. 4. To squeeze or to compress. 5. To restrict the scope or freedom of; to cramp: 'Many lives are constricted by poverty and illness.'
constringe verb become tight or as if tight; `Her throat constricted`
to draw or press in; cause to contract or shrink; compress. · to slow or stop the natural course or development of: Greed and aggressiveness constricted the nation's cultural life.
tighten; narrow.