Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
assignation is a noun meaning "a secret rendezvous (especially between lovers)". It carries 2 recorded senses.
a secret rendezvous (especially between lovers)
the act of distributing by allotting or apportioning; distribution according to a plan
“the apportionment of seats in the House of Representatives is based on the relative population of each state”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for assignation come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.