maniacal

[1]	learn , grasp , become expert in , know inside out and backwards , know , understand
[2]	control , overcome , repress , suppress , subdue , bridle , check , quell , get the better of , (Colloq) get a grip on

adj.

[1]	maniac , manic , maniac , insane , lunatic , mad , demented , deranged , hysterical , mentally ill , of unsound mind , non compos mentis , psychotic
[2]	adept , ingenious , expert , masterful , masterly , skilful , skilled , proficient
[3]	overall , controlling , principal , main , prime , basic , chief
[4]	main , biggest , principal , owner's