To cause to become more marked or intense. To increase in strength or amount of. To make larger, greater, or stronger. Enlarge upon or add detail to. 

To enable and encourage to act more effectively. To toughen or temper. To make able to withstand hardship or strain. To fortify, bolster, renew or vitalize. 

To improve the growth of. To acquire or refine skills as by education. To encourage or foster the development of. To give special attention to. 

To bring together to create a new whole. To form a relationship or feel an affinity. To build or establish a rapport with someone. To join together to provide access.