thematic

From Ancient Greek θεματικός (thematikós), from θέμα (théma, “theme”).

• IPA^(key): /θɪˈmætɪk/, /θɛˈmætɪk/

thematic (comparative more thematic, superlative most thematic)

1. Relating to, or having a theme (“subject”) or a topic.

   He had a thematic collection of postage stamps with flags on them (where (UK) thematic collection = (US) topical collection)

2. (music) Relating to a melodic subject.
3. (linguistics) Of a word stem, ending in a vowel that appears in or otherwise influences the noun or verb's inflection.
4. (historical) Of or relating to a theme (“subdivision of the Byzantine empire”).

thematic (plural thematics)

1. A postage stamp that is part of a thematic collection.