A sense of accomplishment [Expression] (a feeling of success in something or when you achieve something great).
Having a baby gives them a sense of accomplishment.
Hiking up a mountain is hard work, but it provides a sense of accomplishment.
Attain [Verb] (to succeed in achieving something that desires a lot of effort).
He attained his goal.
After working hard for many years, she finally attained success as an author.
Aquatic life [Noun] (the creatures and plants that live in the water for most or all of their lifetime).
The chemicals which the factory put into the river killed all the aquatic life.
When you throw trash in the ocean, you endanger many species of aquatic life.
Altruism [Noun] (the fact of willingness to do things that bring advantages and happiness to others more than your own).
He was actuated almost entirely by altruism. Social workers must have altruism.
An integral part of [Expression] (play an essential part in something).
It's a given that the Internet has become an integral part of our daily lives.
It goes without saying that grammar plays an integral part in learning English.
Having time to play with friends is an integral part of a happy childhood. Adopt [Verb] (to take up or start to use or follow a suggestion or a policy). Our boss has recently adopted a friendlier manner.
The government adopted a policy of increasing the tax on tobacco.
Her parents decided to adopt a child from Russia. He was adopted as an infant.
Adoption [Noun] (the act of starting to use something new).
The widespread adoption of Western styles of clothes is a result of our modern way of life.
The adoption of a new policy on banning smoking in public places was supported by doctors.
Availability [Noun] (the fact that something is suitable or ready for use).
The overall widespread availability of inexpensive quality products.
Because they lived in a small town with limited resources, there was little availability of exotic fruits or vegetables.
More and more people are travelling by air owing to the availability of cheap flights.
Aspiration [Noun] (a strong desire to do or achieve something).
Peter has a strong aspiration to become rich.
From an early age, he has a strong aspiration to understand how a human mind works.
Autism [Noun] (a mental problem in which a person finds it very difficult to communicate or form relationships with other people).
Her son has autism. He is 10 and has very limited reading abilities.
Their child has autism and does not play with other children or speak to anyone.
Alarming [Adjective] (causing people to feel danger, worried or frightened).
The population of India is increasing at an alarming rate. There is an alarming rise in the water level of the river. (To) address [Verb] (to deal with a problem).
The government should address the environmental issues as soon as possible.
You should address the problem, and try to offer a solution to rectify the situation.