The Oxford Thesaurus An A-Z Dictionary of Synonyms INTRO ...

unsocial, aloof, cold, cool, standoffish, unfriendly, inimical,
antisocial, hostile, xenophobic: They were most inhospitable
and refused to let me in. 2 unfavourable, forbidding, hostile,
barren, desert, uninviting, uninhabitable: They were marooned
on an inhospitable reef in the middle of the Pacific.
inhuman adj. 1 inhumane, merciless, cruel, pitiless, ruthless,
heartless, severe, unsympathetic, unfeeling, unkind, unkindly,
uncompassionate, cold-blooded, vicious, stony-hearted,
hard-hearted, callous, insensitive, barbaric, barbarous, savage:
Many refugees have suffered torture and other inhuman treatment.
2 animal, bestial, brutal, brutish, fiendish, diabolical,
demonic: The spectre, assuming an inhuman form, loomed over
them.
initial adj. 1 original, primary, first; prime, beginning, incipient,
inaugural, opening, introductory, commencing: His initial plan,
to take the children, was vetoed by his wife. It is best to
tread cautiously during the initial stages of the programme.
--v. 2 sign, approve, endorse: Please initial the clauses of
the contract that we have changed.
--n. 3 monogram: The initial 'M' is on all their towels.
initiate v. 1 begin, commence, enter upon or on, originate, introduce,
set in motion, start, give rise to, get under way, launch, get
or set going, trigger, set off, actuate, activate, instigate,
institute, inaugurate: The programme was initiated last spring
with much fanfare. 2 admit, accept, introduce: The new members
were initiated last night, with due ceremony. 3 teach,
instruct, train, tutor, drill, coach: His responsibility is to
initiate recruits in the rudiments of jungle warfare.
--n. 4 novice, beginner, new boy or girl, greenhorn, rookie,
neophyte, tiro or tyro, newcomer, tenderfoot, fledgling,
apprentice, (raw) recruit, abecedarian, noviciate or novitiate,
catechumen, Brit fresher or US only freshman, Australian new
chum: In the first weeks, initiates are drilled in the basics.
initiation
n. 1 beginning, commencement, inauguration, origination, debut,
introduction, inception, establishment: April the first is the