To give advantage to; to support; to advance the interest of.
To surpass in excellence; to exceed; to excel.
Had better.
To improve.
To become better; to improve.
Greater in amount or quantity
An entity, usually animate, deemed superior to another; one who has a claim to precedence; a superior.
Greater or lesser (whichever is seen as more advantageous), in reference to value, distance, time, etc.
Had better.
To do someone's bidding; to serve someone's interests.