receive

(a)  

solve a problem

(a)  

destroy completely

(a)  

tell sb smth they don't know

(a)  

successfully communicate a message

(a)  

cayse to happen

(a)  

meet or find smth by chance

(a)  

explain smth very clearly

(a)  

to change or develop gradually:

(a)  

something or someone that annoys you or causes trouble for you

(a)  

to look at something or someone for a long time, especially in surprise or admiration, or because you are thinking about something else:

(a)  

intelligent or made in a complicated way and therefore able to do complicated tasks:

(a)  

someone who studies the nature and origin of the universe

(a)  

dangerous and involving risk, especially to someone's health

(a)  

(especially of a problem or a difficulty) so great that it cannot be dealt with successfully:

(a)  

a creature from outside the planet Earth

(a)  

a country ruled by a king or queen: - and if talking about animals/ aliens

(a)  

necessary for the success or continued existence of something; extremely important:

(a)  

something that you accept as true, although you have no proof:

(a)  

to guess or calculate the cost, size, value, etc. of something:

(a)  

completely new, esp. not used before:

(a)  

providing conditions that are good enough to live in or on:

(a)