To cause (someone) to be acquainted (with someone else).
To add (something) to a system, a mixture, or a container.
To bring (something) into practice.
To make (something or someone) known by formal announcement or recommendation.
to cause (something) to be delivered, especially by post/mail
to give (one's name), present (one's card) when making a social call
to send (a batsman) on to the field to bat.