authorise (v)
authorize (v)
clear (v)
pass (v)

Definition: grant authorization or clearance for
Example: Clear the manuscript for publication. The rock star never authorized this slanderous biography.

assign (v)
delegate (v)
depute (v)
designate (v)

Definition: give an assignment to (a person) to a post, or assign a task to (a person)

alter (v)
change (v)
modify (v)

Definition: cause to change
Example: The advent of the automobile may have altered the growth pattern of the city. The discussion has changed my thinking about the issue.

enable (v)

Definition: render capable or able for some task
Example: This skill will enable you to find a job on Wall Street. The rope enables you to secure yourself when you climb the mountain.