Verb (5-dan, す, transitive)
1.  to make (the best) use of;  to put to good use;  to leverage (skills, attributes, experience, etc.);  to capitalise on (experience, etc.)
2.  to let live;  to keep alive
3.  to revive;  to resuscitate;  to bring back to life
4.  to restore (a deleted passage; in proofreading)