Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun energiser
2 senses of energiser
Sense 1
energizer, energiser, vitalizer, vitaliser, animator -- (someone who imparts energy and vitality and spirit to other people)
=> actor, doer, worker -- (a person who acts and gets things done; "he's a principal actor in this affair"; "when you want something done get a doer"; "he's a miracle worker")
Sense 2
energizer, energiser -- (a device that supplies electrical energy)
=> device -- (an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water")