Related, connected, or pertinent to a topic.
Directly related, connected, or pertinent, with important ramifications or implications.
Not out of date; current.
Relating to, or having a theme (“subject”) or a topic.
Relating to a melodic subject.
Of or relating to a theme (“subdivision of the Byzantine empire”).
Of a word stem, ending in a vowel that appears in or otherwise influences the noun or verb's inflection.
A postage stamp that is part of a thematic collection.