basic idea
Synonyms for basic idea
- basis
- center
- core
- cornerstone
- criterion
- crux
- gist
- heart
- idea
- kernel
- linchpin
- mainspring
- marrow
- measure
- motive
- nub
- pith
- principle
- root
- source
- spring
- standard
- substance
MOST RELEVANT
keynote/keystone
noun. essence, theme
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.