(1):

(a.) Important.

(2):

(prep.) Pertaining to; regarding; having relation to; respecting; as regards.

(3):

(p. pr. & vb. n.) of Concern

(4):

(n.) That in which one is concerned or interested; concern; affair; interest.

(5):

(n.) Importance; moment; consequence.

(6):

(n.) Concern; participation; interposition.

(7):

(n.) Emotion of mind; solicitude; anxiety.