KEY: Sentient.
SYN: Feeling, percipient, conscious, intelligent, cognizant.
ANT: Insentient, insensate, mindless, unconscious, unintelligent, nonpercipient, incognizant.
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KEY: Sentiment.
SYN: Thought, feeling, notion, opinion, maxim, susceptibility, emotion, apprehension, impression, conviction.
ANT: Vacuity, ignorance, nonsense, crudity, bugbear, conjecture, assumption, impression, hypothesis, preconception, prejudice.
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KEY: Sentimental.
SYN: Didactic, moral, instructive, romantic.