Antonyms of verb abstain

1 of 2 senses of abstain

Sense 2
abstain, refrain, desist -- (choose not to consume; "I abstain from alcohol")
       Antonym of consume (Sense 2)
      => consume, ingest, take in, take, have -- (serve oneself to, or consume regularly; "Have another bowl of chicken soup!"; "I don't take sugar in my coffee")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb abstain

2 senses of abstain

Sense 1
abstain -- (refrain from voting)
       => refrain, forbear -- (resist doing something; "He refrained from hitting him back"; "she could not forbear weeping")

Sense 2
abstain, refrain, desist -- (choose not to consume; "I abstain from alcohol")