further
This point will be elaborated further in the next chapter.

at length
briefly
Let me briefly elaborate on this.

attempt to, try to
refuse to

on, upon
They refused to elaborate on the reasons for their decision.

be, look, seem, sound
The plans looked very elaborate.

become

extremely, fairly, very, etc.
highly
highly elaborate carvings

increasingly

Elaborate is used with these nouns:
ceremony, charade, costume, deception, decoration, design, dish, display, effect, funeral, hoax, lie, network, plan, precaution, preparation, pretence, ritual, ruse, scheme, story, structure, system, version