| congenial(adjective, friendly, appropriate, agreeable, suitable) |
| congruent(adjective, fit, friendly, appropriate, agreeable) |
| congruous(adjective, friendly, appropriate, agreeable, suitable) |
| consistent(adjective, friendly, appropriate, agreeable, suitable) |
| consonant(adjective, friendly, appropriate, agreeable, suitable) |
| cooperative(adjective, fit, friendly, appropriate, agreeable) |
| cotton to(expression, adjective, fit, friendly, appropriate) |
| customary(adjective, usual, normal, standard, established) |
| everyday(adjective, usual, normal, accepted, traditional) |
| everything going(expression, adjective, happy, fortunate, opportune) |
| familiar(adjective, usual, normal, accepted, traditional) |
| fashionable(adjective, usual, normal, accepted, traditional) |
| favored(adjective, happy, fortunate, opportune, blessed) |
| felicitous(adjective, happy, fortunate, opportune, blessed) |
| fit(adjective, friendly, appropriate, agreeable, proper) |
| fitting(adjective, fit, friendly, appropriate, agreeable) |
| fortuitous(adjective, happy, fortunate, opportune, blessed) |
| fortunate(adjective, happy, opportune, blessed, fluky) |
| frequent(adjective, usual, normal, accepted, traditional) |
| general(adjective, usual, normal, accepted, traditional) |