Definitionen
1.AdjectiveRelating to or having a theme (“subject”) or a topic."He had a thematic collection of postage stamps with flags on them (where thematic collection is equivalent to topical collection)"
2.AdjectiveRelating to a melodic subject.
3.AdjectiveOf a word stem, ending in a vowel that appears in or otherwise influences the noun or verb's inflection.
4.AdjectiveOf or relating to a theme (“subdivision of the Byzantine empire”).
5.NounA postage stamp that is part of a thematic collection.
6.NounA case that indicates the (usually inanimate) party which is a participant to the verbal predicate where that participant does not undergo any tangible change of state.