concern

n.

1. Affair

   business, matter, interest; see affair 1.

2. Regard

   solicitude, anxiety, attention, interest; see care 2.

3. A business

   firm, company, business establishment; see business 4. See syn. study at care.

concern

v.

1. To have reference to

   refer to, pertain to, appertain to, relate to, be related to, be pertinent to, have relation to, have significance for, affect, involve, touch, bear on, bear upon, touch on, touch upon, regard, be concerned with, be connected with, be about, have to do with, be a matter of concern to, be of interest to, be of importance to, have a bearing on, have connections with, be applicable to, depend upon, be dependent upon, be interdependent with, stand in relationship to, deal with, belong to, have implications for, be the business of; see also affect 1, treat 1, 2.

2. To make uneasy

   trouble, disturb, worry, disquiet; see bother 3, disturb 2.

as concerns