| in line(expression, adjective, calm, smooth, flat) |
| in the manner of(expression, idiom, close, equal, parallel) |
| in the same category(expression, adjective, idiom, similar, collateral) |
| in touch with(expression, adjective, idiom, similar, collateral) |
| in tune |
| indistinguishable(adjective, like, equal, even, similar) |
| inharmony |
| interchangeable(adjective, like, equal, parallel, similar) |
| interconnected(adjective, similar, collateral, attendant, linked) |
| interdependent(adjective, involved, similar, collateral, attendant) |
| interrelated(adjective, consistent, similar, collateral, equivalent) |
| intertwined(adjective, involved, similar, united, linked) |
| interwoven(adjective, similar, linked, relevant, connected) |
| jibing(adjective, close, equal, parallel, similar) |
| joined(adjective, fixed, bound, united, related) |
| joint(adjective, bound, similar, united, linked) |
| knit together(expression, adjective, similar, collateral, attendant) |
| leveled(adjective, calm, smooth, flat, plain) |
| like-minded |
| lined up(expression, adjective, calm, smooth, flat) |