To put an end to; to do away with.
To block a process or function.
To annul by an authoritative act; to abolish by the authority of the maker or her or his successor; to repeal; — applied to the repeal of laws, decrees, ordinances, the abolition of customs, etc.
To bring (something) into practice.
To cause (someone) to be acquainted (with someone else).
To add (something) to a system, a mixture, or a container.
To make (something or someone) known by formal announcement or recommendation.