mmatic.

sentient, a. sensitive, perceptive, conscious, susceptible.
Antonyms: insentient, insusceptible.

sentiment, n. thought, feeling; judgment, notion, opinion; maxim,
saying, toast; sensibility, susceptibility.

sentimental, a. romantic, impressible, emotional, lackadaisical.
Antonyms: unsentimental, matter-of-fact, pragmatical.

sentinel, n. guard, sentry, watchman, picket, vidette, perdue.
Associated Word: cordon.

separable, a. divisible, detachable, severable, partible. Antonym:
inseparable.

separate, v. divide, dissolve, detach, sunder, sever, disconnect,
part, disjoin, withdraw, rend, dissociate, disengage, isolate, disunite,
eliminate, disintegrate, segregate, scatter, disperse, dissipate,
sequester, cleave, insulate, dissever, deglutinate.

separate, a. detached, disconnected, disjoined, separated, apart,
distinct, isolated, segregated, disunited, severed, withdrawn.

separation, n. division, segregation, disunion, disconnection,
sequestration, disjunction, dissolution, disengagement, disintegration,
insulation, isolation, rupture, dissociation, divorce, analysis,
decomposition, detachment, demarcation, severance, partition,
deglutination.

separatist, n. nonconformist, dissenter, sectary, schismatic.

sequel, n. continuation, conclusion, consequence, result, outcome.

sequence, n. succession, series, following; result, sequel,
consequence.

sequestered, a. secluded.

sere, a. dry, withered, sear.

serenade, n. nocturne; (burlesque) charivari, callithump.

serene, a. calm, placid, composed, tranquil, unruffled, unclouded.

serenity, n. calmness, composure, tranquillity; cloudlessness,
clearness.

serf, n. bondman, thrall, slave, bond servant, villein.

serfdom, n. thralldom, slavery, subjection, bondage, servitude.

serious, a. grave, earnest, thoughtful, solemn, staid, sober, demure,
saturnine; momentous, important, weighty, grave; dangerous, alarming,
critical.

seriousness, n. gravity. Antonyms: levity, frivolity, triviality.

sermon, n. homily, exhortation (religious), discourse. Associated
words: homiletics, homiletic, homilist.

serpent, n. snake, reptile, ophidian; basilisk, cockatrice,
amphisbaena. Associated Words: ophiology, ophiolatry, ophiophagous,
ophiography, herpetology, ophidian, ophiologic, ophiomorphous,
herpetologist, herpetotomy, herpetotomist, ophiologist, ophiomancy,
echidna, echidnine, fang, uraeus, serpentry, reptilian, anguiform, anguine.

serpentine