Synonyms

To affiliate means to officially attach or connect to an organization, which is synonymous with associate. The other options do not share this meaning.

An encounter is a meeting or a clash, making confrontation the most appropriate synonym among the choices. The other words are unrelated in meaning.

A memoir is a historical account or biography written from personal knowledge, making biography the correct synonym. The other options are irrelevant.

Intricacy refers to the quality of being complex or having many parts, which is captured by the idea of a tangle. The other options do not fit.

Mellow describes something or someone that is soft, sweet, or fully developed, making mature the best synonym. The other options are unrelated nouns or adjectives.

 When we intimidate someone, we typically make that person feel threatened.  Hence, option 1 is correct.

Stinking means having a strong unpleasant smell, which is synonymous with fetid. The other options are unrelated.

To manifest means to display or show clearly, making show the correct synonym. The other options are unrelated verbs or nouns.

"Roam"

Obvious means easily perceived or understood, which is synonymous with apparent. The other options do not match the definition.

To manipulate means to handle or control in a skillful manner, which is synonymous with manage. The other options are unrelated.

Imperative means of vital importance or crucial, making obligatory the best synonym. The other options are unrelated.

To tarnish means to lose luster or to stain, making discolour the correct synonym. The other options are irrelevant.

Malicious specifically means having or showing a wish to cause harm, pain, or suffering. While bad is the closest among these options, it's overly broad and imprecise. Malicious implies intent to harm, whereas bad can mean many negative things.

Lunacy refers to extreme foolishness or mental illness, making madness the correct synonym. The other options are unrelated.

Damage means to cause physical harm or injury to something. Mutilate specifically means to severely damage by disfiguring, cutting, or removing parts. While related, mutilate is much more extreme and specific in its harm than general damage.

Trivial means of little value or importance, making frivolous the correct synonym. The other options are unrelated.

Sleek means smooth, glossy, or streamlined. Smooth is a direct synonym for sleek.

Polite means having or showing behavior that is respectful and considerate. Suave describes someone who is charming, confident, and elegant, which aligns with the social grace implied by being polite.

A smirk is a smug or silly smile. Smile is the most closely related term among the options.

Jaded means tired, bored, or lacking enthusiasm, typically after having had too much of something. Exhausted is the closest synonym provided.

 'Strangle' means to kill by squeezing the throat to compress the windpipe so as to cut the air supply. 'Suffocate' is most similar in meaning to it.

A jaunt is a short excursion or journey for pleasure. A trip is a direct synonym for a jaunt.