is substantive (verb) matter: be of consequence, importance
Sinonime: anesthetic,
balmy, calming, deadening, dozy, drowsy,
dull, hypnotic, mesmerizing, narcotic, nodding, numbing, opiate, quietening, sedative, slumberous, snoozy, somniferous, somnolent, soothing, tranquilizing
Antonime: awake,
conscious, exciting,
invigorating, stimulating