concessive

Where no principle was involved, Paul was the most concessive of men.

Concessive clauses sometimes omit the copula and its subject.

A concessive clause is usually introduced by a subordinate conjunction, though, although, or even if.

A concessive clause may be introduced by the conjunction as, or by a relative pronoun or a relative adverb.

It was the tenderest malice, but it obtained no concessive sign.