To be centered: Their troubles revolve around money management.
v.
tr.
To cause to revolve.
To ponder or reflect on.
[Middle English revolven, to change direction, from Old French revolver, to reflect upon, from Latin revolvere, to turn over, roll back, reflect upon : re-, re- + volvere, to roll; see wel-2 in Indo-European roots.] re·volv'a·ble adj.