felicitous

adjective5

1. •
   Appropriate, apt, fitting.

   • As a post-prandial speaker, however, Thackeray was undeniably the reverse of felicitous. — 1894
2. •
   Of a sentence or utterance: semantically and pragmatically coherent; fitting in the context.

   • This sentence is grammatical; it is just not felicitous.
3. •
   Causing happiness or pleasure.
4. •
   Characterized by felicity.
5. •
   Auspicious, fortunate, lucky.