cir·cum·stan·ti·ate 
(sûr′kəm-stănshē-āt′)
(sûr′kəm-stănshē-āt′)tr.v. cir·cum·stan·ti·at·ed, cir·cum·stan·ti·at·ing, cir·cum·stan·ti·ates
To set forth or verify with circumstances; give detailed proof or description of.
cir′cum·stan′ti·ation n.