(a.) Living, existing, or occurring at the same time; contemporary; as, contemporaneous authors\.

accompanying actual agreeing as is being coetaneous coeternal coeval coexistent coexisting coinstantaneous collateral concomitant concurrent contemporary conterminous coterminous current existent existing extant fresh immanent immediate instant isochronal isochronous latest modern new present present-age present-day present-time running simultaneous synchronal synchronic synchronous that be that is topical unison unisonous up-to-date up-to-the-minute