(v): be relevant to
(v): engage as a participant
(v): allow participation in or the right to be part of; permit to exercise the rights, functions, and responsibilities of
(v): have as a necessary feature
(v): have as a feature
(v): require as useful, just, or proper
(v): contain as a part
(v): have as a part, be made up out of
(v): occupy or engage the interest of
(v): consume all of one's attention or time
(v): make complex or intricate or complicated
(v): make more complex, intricate, or richer
