| Word | Definitions | Synonyms |
|---|---|---|
| reachable | (adjective) easily approached | Synonyms: approachable |
| reactionary | (adjective) opposed to political or social liberalism or reform | Synonyms: far-right, reactionist |
| reactionist | (adjective) opposed to political or social liberalism or reform | Synonyms: far-right, reactionary |
| reactive | (adjective) participating readily in reactions | - |
| (adjective) reacting to a stimulus | Synonyms: responsive |