The expression "laying before" implies that something is being presented or offered for consideration. Antonyms for this phrase might include "withholding," "concealing," or "keeping secret." If information or evidence is not laid before someone, it is being deliberately hidden or kept back. Other antonyms might include "disregarding," "ignoring," "overlooking," or "forgetting." When something is not laid before someone, it may also mean that they are not given the opportunity to make a decision or offer their perspective. In this case, antonyms might include "involving," "requesting," "soliciting," or "asking for input.