sounder Synonyms

more valid toner levelheaded level-headed greater truer healthier well-grounded undisturbed uninterrupted weighty valid trustworthy depth finder sonic depth finder fairer depth gauge creditworthy well-founded wakeless Saner resounder prober pinger firmer depth sounder debt-free tinkler substantial legal intact healthy harder good fair effectual durable dependable deep better authoritative logical probe sturdy strong stabler stable solvent solid seemer