Simple and straightforward:
* Essential
* Fundamental
* Core
* Elementary
* Rudimentary (if it's a very simple, almost bare-bones version)
Uncomplicated and accessible:
* Classic
* Timeless
* Standard
* Traditional
* Straightforward
Neutral and matter-of-fact:
* Standard
* Default
* Typical
Positive and aspirational:
* Foundation (if it's a starting point for something more complex)
* Building block
* Essential
* Key (if it's a vital element)
For describing a person:
* Down-to-earth
* Genuine
* Authentic
* Unpretentious
To avoid negative connotations:
* Simple
* Plain
* Classic
* Undecorated
Example:
Instead of saying "The hotel room was basic," you could say:
* "The hotel room was essential and comfortable." (focus on simplicity)
* "The hotel room was classic and charming." (focus on timeless appeal)
* "The hotel room was standard for the price." (neutral and factual)
* "The hotel room was a great foundation for exploring the city." (positive spin)
Remember to choose the word that best reflects the nuance you want to convey.