Stoic = a person who can endure pain or hardship without showing their feelings or complaining.

Wise = having or showing experience, knowledge, and good judgement.

Brave = ready to face and endure danger or pain; showing courage.

Temperate = showing moderation or self-restraint.

Hence, option C is the correct answer.

Autocracy = a system of government by one person with absolute power.

Sinecure = a position requiring little or no work but giving the holder status or financial benefit

Bureaucracy =  a system of government in which most of the important decisions are taken by state officials rather than by elected representatives.

Honorary = conferred as an honour

Hence, option B is the correct answer. 

Fastidious = one who is difficult to please.

Feminist = a person who supports feminism.

Fatalist = someone who believes that people cannot change the way events will happen.

Fanatic = a person filled with excessive and single-minded zeal, especially for an extreme religious or political cause.

Hence, option B is the correct answer.

Panacea = a remedy for all diseases.

Antidote = a medicine taken or given to counteract a particular poison.

Patent = a government authority or licence conferring a right or title for a set period, especially the sole right to exclude others from making, using, or selling an invention.

Antibiotic = a medicine or chemical that can destroy harmful bacteria in the body or limit their growth.

Hence, option A is the correct answer.

Philatelist = one whose hobby is stamp collection.

Phonologist = a specialist in phonology.

Philanthropist = a person who seeks to promote the welfare of others, especially by the generous donation of money to good causes.

Panegyrist = an orator who delivers eulogies or panegyrics.

Hence, option C is the correct answer.

Anchor = a heavy object attached to a cable or chain and used to moor a ship to the sea bottom, typically having a metal shank with a pair of curved, barbed flukes at one end

Sail = travel in a boat with sails, especially as a sport or recreation

Travel = make a journey, typically of some length 

Navigate = to use a map, etc. to find your way to somewhere 

Hence, option D is the correct answer.

Curator = one who is in charge of a museum or art gallery.

Monitor = a person who observes a process or activity to check that it is carried out fairly or correctly, especially in an official capacity.

Collector = a person who collects things of a specified type, professionally or as a hobby.

Instructor = a person who teaches something.

Hence, option B is the correct answer.

Infirmary = a place in a large institution for the care of those who are ill or injured.

Dispensary = a room where medicines are prepared and provided.

Surgery = the treatment of injuries or disorders of the body by incision or manipulation, especially with instruments.

Hospital = an institution providing medical and surgical treatment and nursing care for sick or injured people.

Hence, option C is the correct answer.

Intellect = the ability to understand and to think in an intelligent way.

Insatiability = incapable of being satisfied or appeased.

Integrity = the quality of being honest and having strong moral principles that you refuse to change.

Insidiousness = intended to entrap or beguile.

Hence, option C is the correct answer.

Altitude = the height of an object or point in relation to sea level or ground level.

Rectitude = morally correct behaviour or thinking; righteousness.

Latitude = the position north or south of the equator from 0 degree to 90 degree.

Longitude = the distance of a place east or west of an imaginary line between the North Pole and the South Pole, measured in degrees.

Hence, option A is the correct choice.