medium

[1]	average , middle , mid-point , compromise , centre , mean , norm , mediocrity
[2]	atmosphere , environment , ambience/ambiance , milieu
[3]	means , culture medium , method , mode , approach , instrumentality , device , mechanism , intermediation , technique , contrivance , agency , expedient , way , course , route , road , avenue , channel , conveyance , vehicle
[4]	spiritualist , sensitive
[5]	mass medium
[6]	metier

adj.

[1]	average , middle , mid , medial , median , normal , standard , usual , everyday , ordinary , mid-sized
[2]	average , intermediate