Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ascetical is an adjective meaning "pertaining to or characteristic of an ascetic or the practice of rigorous self-discipline". It carries 2 recorded senses.
pertaining to or characteristic of an ascetic or the practice of rigorous self-discipline
“ascetic practices”
practicing great self-denial
“Be systematically ascetic...do...something for no other reason than that you would rather not do it”
“a desert nomad's austere life”
“a spartan diet”
“a spartan existence”
Definitions, synonyms and semantic relations for ascetical come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.