The word hospitable means kind and welcoming. When you are hospitable, you make sure that your guests feel welcome and comfortable.
A grandiose idea is one that is too big for you to actually be able to achieve. It's usually a lot more ambitious than what you're actually capable of.
Un detectable means that something is not detectable or detectable at a very low level. This might be because the substance has been diluted or hidden.
To evaporate is to disappear or to turn into vapor. When you evaporate water, it turns into steam and water vapor.
To disassemble something is to take it apart, to dismantle it. When you disassemble a toy, you put it all together again and then destroy it so that it can't be used again.
Ecstasies are intense feelings of pleasure or happiness. When you are having an ecstasy, you are really feeling the pleasure.
To elevate something is to make it higher or more important. You can elevate the status of a person or thing by giving them a prestigious position, giving them a raise, or giving them a new title.
Gatherers are people who collect things. They might collect food, or they might collect materials that they can use to build something.
To labor is to work very hard. You might labor in the sun all day long, or you might labor in the lab all day.