Worth getting small principles (6)
I believe the answer is:
values
'principles' is the definition.
The definition and answer can be both related to thinking as well as being plural nouns.
Perhaps there's a link between them I don't understand?
'worth getting small' is the wordplay.
'worth' becomes 'value' (value is a kind of worth).
'getting' says to put letters next to each other.
'small' becomes 's' (abbreviation - e.g. clothes size).
'value'+'s'='VALUES'
Can you help me to learn more?
(Other definitions for values that I've seen before include "Moral principles, standards" , "Holds dear or regards highly" , "Prizes, holds in high esteem" , "'Principles, moral beliefs (6)'" , "Appraises, assesses" .)