From Longman Dictionary of Contemporary Englishanaesthetizea‧naes‧the‧tize (also anaesthetise British English, anesthetize American English) /əˈniːsθətaɪz $ əˈnes-/ verb [transitive] MHto give someone an anaesthetic so that they do not feel pain→ See Verb table
Examples from the Corpus
anaesthetize• Laughter here might anaesthetize our feelings, deaden us to the moral issue.• We would train chicks on water or methylanthranilate, and then anaesthetize them. 