| equable(adjective, calm, strong, secure, firm) |
| fixed(adjective, exact, careful, steady, stable) |
| imperturbable(adjective, calm, quiet, relaxed, casual) |
| in a group(expression, idiom, collectively, accordingly, generally) |
| in association |
| in chorus(expression, jointly, harmoniously, wholly) |
| in collaboration(expression, idiom, adverb) |
| in combination |
| in company(expression, idiom) |
| in conjunction(expression, jointly, collectively, accordingly, harmoniously) |
| in cooperation(expression, idiom, adverb, united, jointly) |
| in one breath(expression, idiom, adverb, jointly, collectively) |
| in partnership(expression, united, jointly, collectively, accordingly) |
| in tune(expression, consistent, similar, compatible) |
| integral |
| join |
| judicious(adjective, calm, good, sound, reasonable) |
| limpid(adjective, articulate, silver-tongued, well-spoken) |
| logical(adjective, good, sound, reasonable, sensible) |
| methodical(adjective, exact, precise, neat, tidy) |