based on facts, or making a decision that is based on facts rather than on your feelings or beliefs

subjective (adjective) 主観の、主観的な

influenced by or based on personal beliefs or feelings, rather than based on facts

The analysis should be objective rather than subjective. 

to remove a covering like a curtain from a new structure at a formal ceremony in order to show the opening or finishing of a new building or work of art

The company unveiled the new product. 

to make someone less confident, less powerful, or less likely to succeed, or to make something weaker, often gradually

His attitude undermined atmosphere of the team. 

the situation in which people are forced to leave the place where they normally live

The house owner forced the lessee displacement becase the lessee did not pay the rent fee. 

able to operate independently without requiring external control or human intervention

independent and having the power to make your own decisions

AI is considered as autonomous tool. 

the state of being unclear, confusing,  or not certain, or things that produce this effect

This clause left ambiguity. 

a tendency to believe that good things will always happe

pessimism (noun) 悲観主義

a tendency to believe that bad things will happen

I like optimism rather than pessimism. 

to stop someone from doing something, by making them realize it will be difficult or have bad results

Strong wind detered us from going out. 

if something is worthwhile, it is important or useful, or you gain something from it

It is worthwhile to  do

It is worthwhile doing 

Doing is worthwhile

Studying economics is worthwhile. 

an unintended consequence of an efent or action, especially an unwelcome one

We need to consider repercussions for that treatment.