1. ( (music) melodic subject of a musical composition
"the theme is announced in the first measures"
"the accompanist picked up the idea and elaborated it") 
theme, melodic theme, musical theme, idea 
synonim: motyw
2. ( (linguistics) the form of a word after all affixes are removed
 "thematic vowels are part of the stem") 
root, root word, base, stem, theme, radical: : 
3. (the subject matter of a conversation or discussion
 "he didn't want to discuss that subject"
 "it was a very sensitive topic"
 "his letters were always on the theme of love") 
subject, topic, theme: : synonim: przedmiot
subject, topic
(muz.) theme
(językozn.) stem
~ dyskusji talking point
ulubiony ~ rozmowy hobby-horse
odbiegać od ~tu to divagate
 n masc C
1. (przedmiot pracy, utworu itd.) subject
theme
subject-matter.
2. (przedmiot rozmowy) topic: zmieniać ~to change the subject
 odbiegać od ~u to stray from the topic/one's point
 poruszyć ~to bring up a subject
 (nie) na ~ (not) to the point/irrelevant.
3. (ling) stem.
4. (mus) theme
topic, subject~ konferencji - topic of a conference
m subject, topic ~ do dyskusji topic for discussion ~ rozmowy subject of a conversation
SUBJECT
THEME
TOPIC
MATTER
PROPOSITION
m theme, subject, subject-matter
subject
matter
topic
 theme
plot
stem
subject matter