1.Mater (noun): the backing holding
Synonyms:blurred,cloudy
Antonyms:bright,cheerful
Example Sentence:The bedside manner it is that they use in the Mater hospice.
2.Matriculation(verb):to enroll in a college
Synonyms:enter,join
Antonyms:erase,leave
Example Sentence:He has to matriculate this year, it’s frightfully difficult.
3.Mattress(noun):a large pad
Synonyms:bed,cushion
Antonyms:equity,estate
Example Sentence:She forced her open hands down very hard on the mattress of the sofa.
4.Muse(verb):to think
Synonyms:brood,cogitate
Antonyms:disbelieve,discard
Example Sentence:The next production of his muse was the Sea-piece, in two odes.
5.Nascent(adjective):beginning to exist
Synonyms:burgeoning,fledgling
Antonyms:dying,shrinking
Example Sentence:All his nascent intellectual powers were alive and clamorous.