sub ‧ orn /səˈbɔːn $ -ˈbɔːrn/ BrE AmE verb [transitive]
[ Date: 1500-1600 ; Language: French ; Origin: suborner , from Latin subornare , from sub- 'secretly' + ornare 'to provide with things' ]
law to persuade someone to tell lies in a court of law or to do something else that is illegal, especially for money:
an attempt to suborn a witness
—subornation /ˌsʌbɔːˈneɪʃ ə n $ -bɔːr-/ noun [uncountable]