Use 'felicitous' when discussing decisions or remarks that are perfectly suited to a given context. His felicitous remarks during the toast were met with nods of approval.
Pro Tip 2/3
Positive Connotation
'Felicitous' carries a positive connotation, implying that something is not just suitable, but also pleasing. The felicitous music selection set the mood for a romantic evening.
Pro Tip 3/3
Elegance Implication
Using 'felicitous' can suggest a certain level of elegance or refinement in the choice or situation. Her felicitous attire made her stand out at the gala.